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品牌:TLC PharmaChem 标准品 对照品 杂质
TLC PharmaChem 标准品 对照品 杂质:TLC PharmaChem 标准品 对照品 杂质
TLC PharmaChem 标准品 对照品 杂质:TLC PharmaChem 标准品 对照品 杂质
TLC PharmaChem 标准品 对照品 杂质:TLC PharmaChem 标准品 对照品 杂质
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Candesartan CAS No. 139481-59-7 C24H20N6O3 M.W. 440.47 C-011	Candesartan Cilexetil Impurity D CAS No. N/A C33H34N6O6 M.W. 610.68 C-0110
Candesartan Ethyl Ester CAS No. 139481-58-6 C26H24N6O3 M.W. 468.52 C-0111	N-Cilexetil Candesartan Ethyl Ester CAS No. N/A C35H38N6O6 M.W. 638.73 C-0112
N-Trityl Candesartan CAS No. 139481-72-4 C43H34N6O3 M.W. 682.79 C-0113	Candesartan-d4 CAS No. 1346604-70-3 C24H16D4N6O3 M.W. 444.49 C-012
Candesartan N-glucuronide C30H28N6O9 M.W. 616.59 C-013	Candesartan N2-glucuronide C30H28N6O9 M.W. 616.59 C-014
Candesartan Cilexetil CAS No. 145040-37-5 C33H34N6O6 M.W. 610.68 C-015	Desethyl Candesartan Cilexetil CAS No. 86963-11-8 C31H30N6O6 M.W. 582.62 C-016
1-Ethyl-Candesartan Cilexetil CAS No. 914613-35-7 C35H38N6O6 M.W. 638.73 C-017	2-Ethyl-Candesartan Cilexetil CAS No. 914613-36-8 C35H38N6O6 M.W. 638.73 C-018
Candesartan Cilexetil Impurity C CAS No. 1185255-99-5 C33H34N6O6 M.W. 610.68 C-019	Carvedilol CAS No. 72956-09-3 C24H26N2O4 M.W. 406.49 C-021
4'-Hydroxyphenyl Carvedilol-d5 C24H21N2O5D5 M.W. 427.52 C-0210  C24H26N2O8S M.W. 502.55 C-0211  CAS No. 142227-49-4 C24H26N2O5 M.W. 422.49 C-024  CAS No. 142227-51-8 C24H26N2O5 M.W. 422.49 C-025  nate="" phosphamide="" oxobutyl="" oxalate="" opc-13217="" opc-13213="" na="" n-didesmethyl="" n-desmethyl="" n-dechloroethyl="" n-chloromethyl="" maleate="" lactone="" isomer="" ii="" hydroxymethyl="" hcl="" hbr="" free="" formyl="" escitalopram="" e-cefcapene="" diketo="" dihydrogen="" dihexyltrimethylammonium="" dihexylquat="" didesmethyl="" dibucaine="" desfluoro="" descyano="" delta2-cefcapene="" delta-3="" d="" cystofur="" cyclophosphamide="" cyclobutanecarboxylic="" cromoglycate="" combretastatin="" clobetasole="" clobetasol="" clenbuterol="" cl="" citalopram-d6="" citalopram-d4="" citalopram="" citadiol="" ciprofloxacin-d8="" ciprofloxacin="" cinchocaine="" cilostazol="" ciclopirox-d11="" ciclopirox="" cibenzoline="" chlorpheniramine="" chlorphenamine="" chloromethyl="" cevimeline-d4="" cevimeline="" cerivastatin="" cephalosporin="" celecoxib="" cefuroxime="" ceftazidime="" cefotiam="" cefotetan="" cefotaxime="" caroverine="" carboxylic="" caboplatin="" c9h23n2="" c8h9no="" c8h8n2o3s="" c8h7cl2no="" c8h6brcl2no="" c8h17cl2n2o2p="" c8h10n2o4s="" c7h7cl2n2o2pd8="" c7h5cl2no="" c7h17n2o4p="" c7h17cl2n2o3p="" c7h16cln2o3p="" c7h15cln2="" c7h15cl2n2o3p="" c7h14n2="" c7h13cl2n2o3p="" c6h9n3o2s="" c6h8o4="" c6h6clno2s="" c6h12n2o4pt="" c5h8o2="" c5h12cln2o2p="" c4h4o4="" c4h11cl2n2o2p="" c45h69n11o12s="" c40h41f2n4o="" c3h6o3="" c32h44o7="" c32h37o7d7="" c32h33o7d11="" c31h45n9o2="" c30h29n10o12s4="" c2h2o4="" c29h34n6o4="" c28h38o6="" c28h27o6d11="" c26h35fo8s="" c26h33fno5.na="" c26h30n6o7s2="" c26h25f2no2="" c25h35fn2o3="" c25h34clfo5="" c25h33fo6="" c25h33fn2o2="" c25h32clfo5="" c25h27clfo5d5="" c24h30n4o8s2="" c24h26n2o4="" c24h22n2o4d4="" c23h9o11d5="" c23h29n5o8s2="" c23h26fn3o9="" c23h24n6o7s2="" c23h20f3n3o10s="" c23h14o11="" c22h31n3o5="" c22h28n3o2cl="" c22h28clfo4="" c22h26clfo3="" c22h23cln2o8="" c22h22n6o7s2="" c22h21n8o9s3="" c21h30o5="" c21h28o4="" c21h24fno2="" c21h23clfn2o="" c21h22o4d8="" c21h17clfn2od6="" c20h29n5o3="" c20h27n5o3="" c20h27n5o2="" c20h27n3o5="" c20h25n5o2="" c20h23fn2o2.="" c20h23fn2o2="" c20h23d4n5o2="" c20h22n4o10s="" c20h22n2o.c2h2o4="" c20h22fno3="" c20h21fn2o2="" c20h21fn2o.hbr="" c20h21fn2o.c2h2o4="" c20h21fn2o.="" c20h20n6o7s4="" c20h19fn2o2="" c20h17fn2od4.c2h2o4="" c20h15d6fn2o.hbr="" c19h43n2="" c19h23n5o2="" c19h23brfno2="" c19h22fno.hbr="" c19h21clfno.c2h2o4="" c19h19fn2o.hbr="" c19h19fn2o.c2h2o4="" c19h15fn2od4.c2h2o4="" c19h15fn2od4="" c18h43n3.="" c18h25no8="" c18h23n9o4s3.="" c18h23n9o4s3="" c18h20o5="" c18h18n2="" c18h18fn3o4="" c18h17o5d3="" c18h17fn2o.hbr="" c18h17fn2o.c2h2o4="" c18h17fn2o.="" c18h16n2od4="" c18h15cl3n4o9s="" c18h15cl2n5o5s3="" c18h14no8d11="" c18h13d4fn2o.hbr="" c17h7d7f3n3o2s="" c17h19n5o6s2="" c17h19n3o4="" c17h19n3o3="" c17h18fn3o6s="" c17h18fn3o4="" c17h18fn3o3.="" c17h18fn3o3="" c17h18cln3o3="" c17h18cln3.="" c17h17n3o8s="" c17h16n5o8s2="" c17h16f3n3o3s="" c17h15f3n2o3s="" c17h14n5o6s2d5="" c17h14f3n3o3s="" c17h14f3n3o2s="" c17h12f3n3o4s="" c17h10fn3o3d8.="" c16h25no7s="" c16h24cln3="" c16h21n3o2="" c16h18fn3o="" c16h18cln3o3="" c16h17n7o6s4="" c16h17n5o7s2="" c16h16n5o7s2.="" c16h16n4o8s="" c16h15n4o8s.="" c15h17cln2.="" c15h16fn3o3.="" c15h16cln3o3.="" c15h15n3o7s="" c15h15n3o6s="" c15h14n4o6s2="" c15h13n3o6s="" c14h7cln2o4sd4="" c14h20cln3o3s="" c14h15n5o6s2="" c14h15n5o5s2="" c14h14cln3o3sd6="" c14h13n5o5s2="" c14h11cln2o4s="" c13h9clfno3="" c13h14n4o5s2="" c13h14n4o4s2="" c13h13n3o3s="" c12h9cl2n2od9="" c12h6d11no2="" c12h18cl2n2o2="" c12h18brcln2o="" c12h17n3o="" c12h10n3od7="" c11h9f3o2="" c11h9f3n2="" c11h8cl2n2o5d4="" c11h7cl2n2o5d5="" c11h14n4o5s="" c11h12cl2n2o5="" c10h9n3="" c10h7no3="" c10h18n2os="" c10h17no3s="" c10h17no2s="" c10h14n2o3s="" c10h13nosd4.hcl="" c="" bromide="" betamethasone="" base="" axetil="" ammonium="" amino="" alkene="" acid="" acetyl="" /> CAS No. 2142-68-9 C8H7ClO M.W. 154.60 C-11001
Cefdinir CAS No. 91832-40-5 C14H13N5O5S2 M.W. 395.42 C-1101	Cefdinir 3-isomer C15H14N4O5S2 M.W. 394.43 C-1102
Cefdinir delactam isomers C14H15N5O6S2 M.W. 413.43 C-1103	Cefdinir 7-isomer CAS No. 178601-89-3 C14H13N5O5S2 M.W. 395.42 C-1104
(E)-Cefdinir CAS No. 178601-88-2 C14H13N5O5S2 M.W. 395.42 C-1105	Cefdinir Impurity 1 CAS No. 71091-93-5 C13H13N5O5S2 M.W. 383.41 C-1106
Cefdinir Impurity 3 (Cefdinir Decarboxy Open Ring Lactone (Mixture of A and B)) CAS No. 178949-04-7 C13H15N5O4S2 M.W. 369.42 C-1107	Thiazolylacetylglycine Oxime Acetal CAS No. 178422-40-7 C7H10N4O4S M.W. 246.25 C-1108
Thiazolylacetylglycine Oxime CAS No. 178949-03-6 C7H8N4O4S M.W. 244.23 C-1109	Clomipramine-13C-d3 HCl CAS No. 17321-77-6 (non-labelled) C19H20ClN2D3 M.W. 318.87 C-111
Cefdinir Sulfoxide CAS No. 934986-48-8 C14H13N5O6S2 M.W. 411.42 C-1110	Cefepime impurity F C32H42N9O7S3 M.W. 760.94 C-11102
Cefepime impurity A C19H24N6O5S2 M.W. 480.57 C-11103	Delta2-Cefepime Etherate C19H24N6O5S2 . C4H10O M.W. 480.57 74.12 C-11104
Cefepime-13C-d3 C19H22N6O5S2D3 M.W. 485.58 C-11105	Cefepime E-isomer related compound C8H10N4O3S M.W. 242.26 C-11106
Cefepime impurity F related compound C32H42N9O7S3 M.W. 760.94 C-11107	Cefepime Impurity B C25H29N9O7S3 M.W. 663.76 C-11108
Cefepime Impurity C C8H10N4O3S M.W. 242.26 C-11109	Cefoxitin Sodium Salt C16H16N3O7S2.Na M.W. 426.45 22.99 C-1111
Cefdinir Thiazine Analog CAS No. 178422-39-4 C14H15N5O6S2 M.W. 413.43 C-1112	Cedinir Isoxazole Analog C13H11N3O6S M.W. 337.31 C-1113
Cefdinir Glyoxalic Analog CAS No. 79350-14-4 C14H12N4O5S2 M.W. 380.40 C-1114	Cefdinir Lactone CAS No. 946573-41-7 C14H13N5O5S2 M.W. 395.42 C-1115
Cefdinir Related Compound B CAS No. 79350-10-0 C14H14N4O4S2 M.W. 366.42 C-1116	Clomipramine HCl C19H23ClN2. HCl M.W. 314.86 36.46 C-112
2-Amino-3-hydroxy phenazine C12H9N3O M.W. 211.23 C-11201	Carbendazim-d3 C9H6N3O2D3 M.W. 194.21 C-11202
Clomipramine Impurity C C19H21ClN2 . HCl M.W. 312.85 36.46 C-113	Cycloserine Diketopiperazine (Mixture of Isomers) C6H12N4O4 M.W. 204.19 C-11301
rac-Cycloserine-15N, d3 CAS No. 1219176-26-7 C3H3N2O2D3 M.W. 106.10 C-11302	N-Desmethyl Clomipramine HCl CAS No. 29854-14-6 C18H21ClN2 . HCl M.W. 300.83 36.46 C-114
Chromoglycate Sodium CAS No. 15826-37-6 C23H14O11 . 2 Na M.W. 466.36 2 22.99 C-11401	Chromoglycate-d5 Sodium C23H9O11D5 . 2 Na M.W. 471.39 2 22.99 C-11402
Clomipramine N-Oxide CAS No. 14171-67-6 C19H23ClN2O M.W. 330.86 C-115	Clofarabine C10H11ClFN5O3 M.W. 303.68 C-11501
Cefathiamidine-d12 CAS No. N/A C19H16N4O6S2D12 M.W. 484.66 C-116004	Cefathiamidine C19H28N4O6S2 M.W. 472.59 C-11601
Desacetyl Cefathiamidine C17H26N4O5S2 M.W. 430.55 C-11602	Cefathiamidine Lactone C17H24N4O4S2 M.W. 412.53 C-11603
Cefathiamidine Impurity C10H11BrN2O5S M.W. 351.18 C-11605	Cefathiamidine Impurity C C19H28N4O6S2 M.W. 472.59 C-11606
Octyl 4-Methoxycinnamate (Octinoxate) CAS No. 5466-77-3 C18H26O3 M.W. 290.41 C-11701	Benzyl Cinnamate CAS No. 103-41-3 C16H14O2 M.W. 238.29 C-11702
Uridine Diphosphate Choline (UDPC) CAS No. 99492-83-8 C14H25N3O12P2 M.W. 489.32 C-119001	Cytidine Diphosphate Ethanolamine (CDPEA) CAS No. 3038-18-8 C11H20N4O11P2 M.W. 446.25 C-119002
Cephalomannine C45H53NO14 M.W. 831.92 C-11901	7-epi-Cephalomannine CAS No. 150547-36-7 C45H53NO14 M.W. 831.92 C-11902
Cefradine CAS No. 38821-53-3 C16H19NO4S M.W. 349.41 C-120001	Cefradine Impurity C (Isomer 1), Cefradine Impurity D (Isomer 2) CAS No. N/A C16H19N3O5S M.W. 365.41 C-120002
Cefradine Impurity E CAS No. N/A C16H17N3O5S M.W. 363.39 C-120003	Carfilzomib CAS No. 868540-17-4 C40H57N5O7 M.W. 719,93 C-121001
Carfilzomib-d8 CAS No. N/A C40H49N5O7D8 M.W. 727.98 C-121002	Cobicistat CAS No. 1004316-88-4 C40H53N7O5S2 M.W. 776.04 C-122001
Cobicistat-d8 CAS No. N/A C40H45N7O5S2D8 M.W. 784.09 C-122002	2-[4-(Methylamino)methyl-1,3-Thiazole-2-yl] Propane-2-ol CAS No. 1051463-24-1 C8H14N2OS M.W. 186.28 C-122003
(2S)-2-Amino-4-Meorpholine-4-yl-Butanoic Acid CAS No. 854893-19-9 C8H16N2O3 M.W. 188.23 C-122004	Crizotinib CAS No. 877399-52-5 C21H22Cl2FN5O M.W. 450.34 C-123001
Crizotinib-d5 CAS No. 1395950-84-1 C21H17Cl2FN5OD5 M.W. 455.38 C-123002	2-Keto Crizotinib CAS No. 1415558-82-5 C21H20Cl2FN5O2 M.W. 464.33 C-123003
Carbuterol CAS No. 34866-47-2 C13H21N3O3 M.W. 267.33 C-124001	Carbuterol-d9 CAS No. 34866-47-2(non-d) C13H12N3O3D9 M.W. 276.38 C-124002
Chlorpromazine-d6 HCl C17H13ClN2SD6. HCl M.W. 324.91 36.46 C-125001	Chlorpromazine HCl C17H19ClN2S. HCl M.W. 318.87 36.46 C-125002
7-Hydroxy Chlorpromazine CAS No. 2095-62-7 C17H19ClN2OS M.W. 334.87 C-125003	7-Hydroxy Chlorpromazine-d6 C17H13ClN2OSD6 M.W. 340.91 C-125004
S-Decyanomethyl-S-(1-methyl-1H-tetrazol-5-yl) Cefmetazole CAS No. 74228-11-8 C15H18N10O5S3 M.W. 514.57 C-126001	Cefmetazole related compound 1 C14H15N3O5S2 M.W. 369.42 C-126002
Cefmetazole related compound 4 C14H17N3O6S2 M.W. 387.44 C-126003	Cefmetazole related compound 5 C12H16N6O4S2 M.W. 372.43 C-126004
Cefmetazole related compound 6 C15H17N7O5S3 M.W. 471.54 C-126005	Cefmetazole Impurity 1 CAS No. N/A C13H13N3O5S2 M.W. 355.39 C-126006
Cefmetazole Impurity 2 C15H17N7O6S3 M.W. 487.54 C-126007	Cefmetazole Impurity 3 C13H16N6O5S3 M.W. 432.50 C-126008
Cefmetazole Impurity 4 C15H19N7O6S3 M.W. 489.55 C-126009	Cefmetazole Impurity 5 C13H15N3O5S2 M.W. 357.41 C-126010
Cefmetazole Impurity 6 C15H17N7O5S3 M.W. 471.54 C-126011	Cefprozil Impurity C CAS No. 147103-93-3 C11H11N3O3 M.W. 233.23 C-127001
Cefprozil Impurity D CAS No. 106447-44-3 C10H12N2O3S M.W. 240.28 C-127002	Cefprozil Impurity E C26H26N4O7S M.W. 538.58 C-127003
Cefprozil Impurity F CAS No. 107937-01-9 C10H12N2O3S M.W. 240.28 C-127004	Cefprozil Impurity G C18H21N3O6S M.W. 407.45 C-127005
Cefprozil Impurity H C26H26N4O7S M.W. 538.58 C-127006	Cefprozil Impurity I C18H21N3O6S M.W. 407.45 C-127007
Cefprozil Impurity J C26H26N4O7S M.W. 538.58 C-127008	Cefprozil Impurity K C18H19N3O5S M.W. 389.43 C-127009
Cefprozil Impurity L CAS No. 203007-73-2 C10H13NO4 M.W. 211.22 C-127010	Cefprozil Impurity M C21H23N3O7S M.W. 461.50 C-127011
Cefprozil Impurity N C21H23N3O7S M.W. 461.50 C-127012	Cyproheptadine Impurity B (Dibenzosuberenone) CAS No. 2222-33-5 C15H10O M.W. 206.25 C-128001
Cyproheptadine HCl CAS No. 41354-29-4 C21H21N. HCl 1.5 H2O M.W. 287.41 36.46 1.5 18.02 C-128002	Calcitriol Derivatizing Agent 1 C16H22N5O3 . Br M.W. 332.39 79.90 C-129001
Calcitriol Derivatizing Agent 2 C8H7N4O2 . I M.W. 191.17 126.90 C-129002	Epi-Calcitriol CAS No. 66791-71-7 C27H44O3 M.W. 416.65 C-129003
Cyamemazine CAS No. 3546-03-0 C19H21N3S M.W. 323.46 C-130001	Cyamemazine-d6 C19H15N3SD6 M.W. 329.50 C-130002
Cyamemazine sulfoxide CAS No. 13384-45-7 C19H21N3OS M.W. 339.46 C-130003	N-Desmethyl Cyamemazine Maleate CAS No. N/A C18H19N3S C4H4O4 M.W. 309.44 116.07 C-130004
Clopidogrel H2SO4 CAS No. 135046-48-9 C16H16ClNO2S.H2O4S M.W. 321.83 98.08 C-131	Clopidogrel N-Methyl Impurity I C16H18ClNO2S M.W. 323.84 C-1310
Camostat Mesylate CAS No. 59721-29-8 C20H22N4O5 CHO3S M.W. 398.42 96.11 C-131001	Clopidogrel Impurity B CAS No. N/A C16H16ClNO2S HCl M.W. 321.83 36.46 C-1311
Clopidogrel Related Compound B CAS No. 144750-52-7 C16H16ClNO2S HCl M.W. 321.83 36.46 C-1312	Clopidogrel Ethyl Ester CAS No. N/A C17H18ClNO2S M.W. 335.86 C-1313
Clopidogrel Related Compound C (R-Clopidogrel) CAS No. 120202-71-3 C16H16ClNO2S H2O4S M.W. 321.83 98.08 C-1314	Clopidogrel metabolite I CAS No. N/A C16H18ClNO4S M.W. 355.84 C-1315
Clopidogrel metabolite I-d3 CAS No. N/A C16H15ClNO4SD3 M.W. 358.86 C-1316	Clopidogrel metabolite II CAS No. N/A C25H26ClNO6S M.W. 504.01 C-1317
Clopidogrel metabolite II-d3 CAS No. N/A C25H23ClNO6SD3 M.W. 507.02 C-1318	2-Oxo-Clopidogrel-d4 (Mixture of Diastereomers) CAS No. 109904-27-0 (non-labelled) C16H12ClNO3SD4 M.W. 341.85 C-1319
Clopidogrel-d3 hydrogensulfate CAS No. 135046-48-9 C16H13D3ClNO2S M.W. 422.93 C-132	(R)-Clopidogrel Carboxylic Acid CAS No. 324757-50-8 C15H14ClNO2S M.W. 307.80 C-1320
Carbocisteine-13C3 CAS No. N/A C5H9NO4S M.W. 182.16 C-132001	Carbocisteine CAS No. 638-23-3 C5H9NO4S M.W. 179.20 C-132002
(S)-Clopidogrel Carboxylic Acid (Clopidogrel Related Compound A) CAS No. 144457-28-3 C15H14ClNO2S M.W. 307.80 C-1321	Clopidogrel Impurity 1 C16H13ClNO2S . I M.W. 318.80 126.90 C-1322
Clopidogrel Impurity 2 (Clopidogrel Iminium Impurity) CAS No. 1396607-49-0 C16H15ClNO2S. Br M.W. 320.82 79.90 C-1323	Clopidogrel Impurity 3 C14H11ClNS . Cl M.W. 260.77 35.45 C-1324
Clopidogrel Impurity 4 C14H13ClNS. Br M.W. 262.78 79.90 C-1325	Clopidogrel Impurity CAS No. 141109-20-8 C15H16ClNO2S . HCl M.W. 309.82 36.46 C-1326
Clopidogrel Impurity D C24H21Cl2NO4S M.W. 490.41 C-1327	cis-Clopidogrel Glutathione Disulfide CAS No. N/A C27H37ClN4O10S2 M.W. 677.20 C-1328
Clopidogrel Carboxylic Acid HCl CAS No. 1015247-88-7 C15H14ClNO2S.HCl M.W. 307.80 36.46 C-133	Canrenone CAS No. 976-71-6 C22H28O3 M.W. 340.47 C-133001
Canrenone-d6 CAS No. N/A C22H22O3D6 M.W. 346.50 C-133002	Canrenone-d4 CAS No. 976-71-6 (non-labelled) C22H24O3D4 M.W. 344.49 C-133003
Clopidogrel acyl glucuronide C21H22ClNO8S M.W. 483.93 C-134	2-Oxo Clopidogrel (Mixture of Diastereomers) C16H16ClNO3S M.W. 337.83 C-135
Cefadroxil-d4 CAS No. N/A C16H13N3O5SD4 H2O M.W. 367.42 18.02 C-135001	Cefadroxil Impurity B (7-ADCA) CAS No. N/A C8H10N2O3S M.W. 214.24 C-135002
Cefadroxil Related Compound D CAS No. 144790-28-3 C16H17N3O5S M.W. 363.39 C-135003	Cefadroxil Related Compound I CAS No. 147103-94-4 C16H17N3O5S M.W. 363.39 C-135004
Clopidogrel-d4 Hydrogensulfate C16H12ClNO2SD4.H2O4S M.W. 325.85 98.08 C-136	Cilastatin Sodium Impurity B C21H34N2O6S M.W. 442.58 C-136001
Cilastatin Sodium Impurity C C22H36N2O6S M.W. 456.61 C-136002	Clopidogrel-d4 Carboxylic Acid C15H10ClNO2SD4 M.W. 311.83 C-137
Cefalexin Impurity ( 3-aminomethylene-6-phenylpiperazine-2,5-dione) CAS No. 65870-51-1 C11H11N3O2 M.W. 217.23 C-137001	Clopidogrel Carboxylic Acid C15H14ClNO2S M.W. 307.80 C-138
Carglumic Acid CAS No. 1188-38-1 C6H10N2O5 M.W. 190.16 C-138001	Carglumic Acid-d5 C6H5N2O5D5 M.W. 195.19 C-138002
Chlorhexidine.2HCl CAS No. 3697-42-5 C22H30Cl2N10 . 2 HCl M.W. 505.46 2 36.46 C-139001	Chlorhexidine-d8 C22H22Cl2N10D8 M.W. 513.51 C-139002
Chlorhexidine Diacetate Impurity C CAS No. 62247-48-7 C22H28Cl2N8O2 M.W. 507.43 C-139003	Chlorhexidine Digluconate C22H30Cl2N10.2 C6H12O7 M.W. 505.46 2 196.16 C-139004
Chlorthalidone Related Compound A CAS No. 5270-74-6 C14H10ClNO5S M.W. 339.76 C-140001	Chlorthalidone Impurity G C14H9Cl2NO2 M.W. 294.14 C-140002
Chlorthalidone-d4 CAS No. 77-36-1 (unlabelled) C14H7ClN2O4SD4 M.W. 342.80 C-140003	Chlorthalidone Impurity A CAS No. N/A C14H9ClO6S M.W. 340.74 C-140004
Chlorthalidone Impurity E CAS No. 82875-49-8 C14H11ClN2O3S M.W. 322.77 C-140005	Chlorthalidone Impurity I CAS No. N/A C17H16ClNO5S M.W. 381.84 C-140006
Chlorthalidone Impurity D CAS No. N/A C16H15ClN2O4S M.W. 366.83 C-140007	Chlorthalidone Impurity C C16H14ClNO5S M.W. 367.81 C-140008
Chlorthalidone Impurity F C28H19Cl2N3O8S2 M.W. 660.51 C-140009	Chlorthalidone Impurity H C17H17ClN2O4S M.W. 380.85 C-140010
Clozapine-d3 CAS No. 5786-21-0(non-d) C18H16D3ClN4 M.W. 329.85 C-141	Clozapine N+-Glucuronide CAS No. N/A C24H28ClN4O6 M.W. 503.97 C-1410
Cloperastine Fendizoate CAS No. 85187-37-7 C20H24ClNO C20H14O4 M.W. 329.87 318.33 C-141001	Clozapine-5-N-Glucuronide CAS No. N/A C24H27ClN4O6 M.W. 502.97 C-1411
Clozapine-d4 CAS No. 5786-21-0 (non-d) C18H15D4ClN4 M.W. 330.88 C-142	18-Methoxycoronaridine CAS No. 308123-60-6 C22H30N2O3 M.W. 370.50 C-142001
18-Methoxycoronaridine-d4 C22H24N2O3D4 M.W. 372.50 C-142002	18-Methoxycoronaridine-d7 C22H21N2O3D7 M.W. 375.52 C-142003
Clozapine C18H19ClN4 M.W. 326.83 C-143	Cinepazide Maleate CAS No. 26328-04-1 C22H31N3O5. C4H4O4 M.W. 417.51 116.07 C-143001
N-Desmethyl Clozapine C17H17ClN4 M.W. 312.80 C-144	Clemastine Fumarate CAS No. 14976-57-9 343.90 116.07 M.W. C21H26ClNO. C4H4O4 C-144001
Clemastine Fumarate Impurity C CAS No. 59767-24-7 C14H13ClO M.W. 232.71 C-144002	Clemastine Fumarate Impurity A CAS No. N/A C21H26ClNO2 M.W. 359.90 C-144003
Clemastine Fumarate Impurity B CAS No. 61771-18-4 C21H26ClNO M.W. 343.90 C-144004	Clemastine Fumarate Impurity D CAS No. N/A C7H15NO M.W. 129.20 C-144005
Clozapine Impurity A CAS No. 50892-62-1 C13H9ClN2O M.W. 244.68 C-145	Cariprazine CAS No. 839712-12-8 C21H32Cl2N4O M.W. 427.42 C-145001
Cariprazine-d6 CAS No. N/A C21H26Cl2N4OD6 M.W. 433.46 C-145002	N-Desmethyl Cariprazine CAS No. N/A C20H30Cl2N4O M.W. 413.39 C-145003
N-Didesmethyl Cariprazine CAS No. N/A C19H28Cl2N4O M.W. 399.37 C-145004	N-Desmethyl Clozapine-d8 C17H9ClN4D8 M.W. 320.85 C-146
Cetrimide CAS No. 8044-71-1 C17H38N. Br M.W. 256.50 79.90 C-146001	Clozapine EP Impurity B C30H24Cl2N6 M.W. 539.47 C-147
Closantel Impurity A CAS No. N/A C7H4I2O3 M.W. 389.92 C-147001	Closantel Impurity B CAS No. N/A C15H12Cl2N2 M.W. 291.18 C-147002
Closantel Impurity C CAS No. N/A C22H15Cl2I2NO4 M.W. 682.08 C-147003	Closantel Impurity D CAS No. N/A C22H16Cl2I2N2O3 M.W. 681.10 C-147004
Closantel Impurity E CAS No. N/A C22H14Cl3IN2O2 M.W. 571.63 C-147005	Closantel Impurity F CAS No. N/A C21H13Cl2I2NO3 M.W. 652.06 C-147006
Closantel Impurity G CAS No. N/A C23H18Cl2I2N2O3 M.W. 695.13 C-147007	Closantel Impurity H CAS No. N/A C23H17Cl2I2NO4 M.W. 696.11 C-147008
Closantel Impurity I CAS No. N/A C22H15Cl2IN2O2 M.W. 537.19 C-147009	Closantel Impurity J CAS No. N/A C44H27Cl3I4N4O4 M.W. 1289.71 C-147010
Clozapine EP Impurity D CAS No. 65514-71-8 C18H21ClN4O M.W. 344.85 C-148	Calcipotriol (Calcipotriene) CAS No. 147657-22-5 C27H40O3 M.W. 412.62 C-148001
Calcipotriol Impurity A CAS No. N/A C27H38O3 M.W. 410.60 C-148002	Calcipotriol Impurity B CAS No. N/A C27H38O3 M.W. 410.60 C-148003
Calcipotriol Impurity G CAS No. N/A C54H78O5 M.W. 807.22 C-148004	Calcipotriol Impurity H CAS No. N/A C54H78O5 M.W. 807.22 C-148005
Calcipotriol Impurity I CAS No. N/A C27H40O3 M.W. 412.62 C-148006	Calcipotriol Impurity C C27H40O3 M.W. 412.62 C-148007
Calcipotriol Impurity D C27H40O3 M.W. 412.62 C-148008	Clozapine N-Oxide CAS No. N/A C17H16ClN4O2 M.W. 343.80 C-149
Calcium Lactogluconate CAS No. 52080-72-5 2 C6H11O7. 2 C3H5O3. 2 Ca M.W. 2 195.15 2 89.07 2 40.08 C-149001	Calcium Lactate Gluconate CAS No. 11116-97-5 C6H11O7. C3H5O3. Ca M.W. 195.15 89.07 40.08 C-149002
Cytarabine-13C3 CAS No. 147-94-4 (non-labelled) C9H13N3O5 M.W. 246.19 C-150001	Cytarabine-13C-15N2 CAS No. 147-94-4 (non-labelled) C8H13NO513C15N2 M.W. 246.20 C-150002
Colchicine-d6 C22H19NO6D6 M.W. 405.47 C-151	2-Demethyl Colchicine Glucuronide CAS No. N/A C27H31NO12 M.W. 561.55 C-1510
(+)-Catechin Hydrate CAS No. 88191-48-4 C15H14O6. H2O M.W. 290.28 18.02 C-151001	L-Epicatechin CAS No. 490-46-0 C15H14O6 M.W. 290.28 C-151002
(-)-Epigallocatechin Gallate CAS No. 989-51-5 C22H18O11 M.W. 458.38 C-151003	Epigallocatechin 3-O-(3-O-Methyl)-Gallate CAS No. 83104-87-4 C23H20O11 M.W. 472.41 C-151004
3-Demethyl Colchicine Glucuronide CAS No. 477-27-2 C27H31NO12 M.W. 561.55 C-1511	2-Demethyl Colchicine Sulfate CAS No. N/A C21H23NO9S M.W. 465.48 C-1512
3-Demethyl Colchicine Sulfate CAS No. N/A C21H23NO9S M.W. 465.48 C-1513	10-Demethyl Colchicine CAS No. N/A C21H23NO6 M.W. 385.42 C-1514
Colchicine CAS No. 64-86-8 C22H25NO6 M.W. 399.45 C-1516	Colchicine Impurity A (N-Desacetyl-N-Formyl Colchicine) CAS No. 7411-12-3 C21H23NO6 M.W. 385.42 C-1517
Colchicine Impurity C CAS No. N/A C22H25NO6 M.W. 399.45 C-1518	Demecolcine-d3 C21H22NO5D3 M.W. 374.45 C-152
Canagliflozin-d4 C24H21FO5SD4 M.W. 448.55 C-152001	Canagliflozin CAS No. 842133-18-0 C24H25FO5S M.W. 444.53 C-152002
Canagliflozin Defluoro Impurity CAS No. N/A C24H26O5S M.W. 426.54 C-152003	Canagliflozin Furanose Impurity CAS No. N/A C24H25FO5S M.W. 444.53 C-152004
Canagliflozin Dimer Impurity C36H28F2S2 M.W. 562.75 C-152005	Canagliflozin Enatiomer Impurity C24H25FO5S M.W. 444.53 C-152006
Canagliflozin Ring Opening Impurity C24H27FO6S M.W. 462.54 C-152007	Demecolcine-d6 C21H19NO5D6 M.W. 377.47 C-153
Cocarboxylase Tetrahydrate CAS No. 68684-55-9 C12H18N4O7P2S 4xH2O M.W. 424.21 4x18.02 C-153001	2-Demethyl Colchicine CAS No. 102491-80-5 C21H23NO6 M.W. 385.42 C-154
Carteolol Impurity H HCl CAS No. 53371-79-2 C16H22N2O3. HCl M.W. 290.37 36.46 C-154001	2-Demethyl Colchicine-d3 CAS No. N/A C21H20NO6D3 M.W. 388.44 C-155
Caspofungin Di-Acetate CAS No. 179463-17-3 (Freebase) C52H88N10O15. 2 C2H4O2 M.W. 1093.34 2 60.05 C-155001	Caspofungin Acetate C0 Analog C52H88N10O15 M.W. 1093.34 C-155002
Caspofungin Impurity A CAS No. 1202167-57-4 C51H86N10O15 M.W. 1079.31 C-155003	Caspofungin-D4 C52H84N10O15D4 M.W. 1097.36 C-155004
2-Demethyl Colchicine-13C-d3 CAS No. N/A C20H20NO613CD3 M.W. 389.43 C-156	Cefoxitin impurity E (R-methoxy cefoxitin) C17H19N3O8S2 M.W. 457.48 C-156001
Cefoxitin impurity F (S-methoxy cefoxitin) C17H19N3O8S2 M.W. 457.48 C-156002	Cefoxitin impurity G (cefoxitin dimer) C31H31N5O13S4 M.W. 809.87 C-156003
Cefoxitin impurity A C15H16N2O6S2 M.W. 384.43 C-156004	Cefoxitin impurity B C16H17N3O7S2 M.W. 427.46 C-156005
Cefoxitin impurity C C14H12N2O4S2 M.W. 336.39 C-156006	Cefoxitin impurity D C15H14N2O5S2 M.W. 366.42 C-156007
3-Demethyl Colchicine CAS No. 7336-33-6 C21H23NO6 M.W. 385.42 C-157	Cinitapride CAS No. 66564-14-5 C21H30N4O4 M.W. 402.50 C-157001
Cinitapride-d5 CAS No. N/A C21H25N4O4D5 M.W. 407.53 C-157002	3-Demethyl Colchicine-d3 CAS No. N/A C21H20NO6D3 M.W. 388.44 C-158
Ceftaroline fosamil CAS No. 400827-46-5 C22H21N8O8PS4 M.W. 684.69 C-158001	3-Demethyl Colchicine-13C-d3 CAS No. N/A C20H20NO613CD3 M.W. 389.43 C-159
Cenicriviroc CAS No. 497223-25-3 C41H52N4O4S M.W. 696.96 C-159001	Cenicriviroc Sulfone C41H52N4O5S M.W. 712.96 C-159002
Cenicriviroc-D7 C41H45N4O4SD7 M.W. 704.00 C-159003	Cladribine CAS No. 4291-63-8 C10H12ClN5O3 M.W. 285.69 C-160001
5'-(3-MAL-PEG2-aminobutanoate)-cladribine C30H43ClN8O11 M.W. 727.18 C-160002	Cladribine Phosphate C10H12ClN5O6P.Na M.W. 364.66 22.99 C-160003
Cladribine Impurity A C10H14N6O3 M.W. 266.26 C-160004	Cladribine Impurity B C11H15N5O4 M.W. 281.27 C-160005
Cladribine Impurity C (2-Chlorophenthiazine) CAS No. 1839-18-5 C5H4ClN5 M.W. 169.57 C-160006	Cladribine Impurity D C10H12ClN5O3 M.W. 285.69 C-160007
Cladribine Impurity E CAS No. 533-67-5 C5H10O4 M.W. 134.13 C-160008	Cladribine Impurity F (4-Methylbenzamide) CAS No. 619-55-6 C8H9NO M.W. 135.17 C-160009
Cladribine Impurity G (Methyl 4-methylbenzoate) CAS No. 99-75-2 C9H10O2 M.W. 150.18 C-160010	7-Hydroxy Coumarin-d5 CAS No. 93-35-6 C9HD5O3 M.W. 167.18 C-161
4-Hydroxy Coumarin CAS No. 1076-38-6 C9H6O3 M.W. 162.15 C-1610	Cobamamide (Dibencozide, Coenzyme B12) CAS No. 13870-90-1 C72H100CoN18O17P M.W. 1579.66 C-161001
7-Hydroxycoumarin glucuronide CAS No. 66695-14-5 C15H14O9 M.W. 338.27 C-162	Cefamandole Impurity A CAS No. N/A C17H16N2O6S M.W. 376.39 C-162001
Cefamandole Impurity C CAS No. N/A C20H20N6O6S2 M.W. 504.55 C-162002	Cefamandole Impurity D CAS No. N/A C2H4N4S M.W. 116.14 C-162003
Cefamandole Impurity E CAS No. N/A C19H18N6O8S M.W. 434.43 C-162004	Cefamandole Dimer Impurity CAS No. N/A C20H24N4O10S2 M.W. 544.56 C-162005
Cefamandole Sodium Salt CAS No. 30034-03-8 C18H17N6O5S2. Na M.W. 461.50 22.99 C-162006	7-Hydroxycoumarin-d5 glucuronide CAS No. 66695-14-5(non-d) C15H9D5O9 M.W. 343.30 C-163
Carbazochrome CAS No. 69-81-8 C10H12N4O3 M.W. 236.23 C-163001	7-Hydroxycoumarin sulfate CAS No. 69526-88-1 C15H6O6S M.W. 242.21 C-164
Cartap HCl CAS No. 15263-52-2 C7H15N3O2S2. HCl M.W. 237.34 36.46 C-164001	7-Hydroxycoumarin-d5 sulfate CAS No. 69526-88-1(non-d) C15HD5O6S M.W. 247.24 C-165
Cyanocobalamin CAS No. 68-19-9 C63H88CoN14O14P M.W. 1355.38 C-165001	Cyanocobalamin Impurity F CAS No. N/A C63H85CoN13O15P M.W. 1354.37 C-165002
Cyanocobalamin Impurity G CAS No. N/A C64H90CoN14O14P M.W. 1369.42 C-165003	Cyanocobalamin Impurity Hi8-epi-Cyanocobalaminj CAS No. N/A C63H88CoN14O14P M.W. 1355.38 C-165004
Coumarin-d4 CAS No. 185056-83-1(non-d) C9H2O2D4 M.W. 150.17 C-166	Cilnidipine CAS No. 132203-70-4 C27H28N2O7 M.W. 492.53 C-166001
Z-Cilnidipine CAS No. N/A C27H28N2O7 M.W. 492.53 C-166002	7-Ethoxy Coumarin-d5 C11H5O3D5 M.W. 195.23 C-167
Cefminox CAS No. 92636-39-0 C16H20N7O7S3 Na M.W. 518.57 22.99 C-167001	Cefminox Sodium Impurity 1 CAS No. N/A C14H18N3O8S2 Na M.W. 420.44 22.99 C-167002
Cefminox Sodium Impurity 2 CAS No. 51138-06-8 C2H3N4S Na M.W. 115.14 22.99 C-167003	Cefminox Sodium Impurity 3 CAS No. N/A C16H20N7O7S3 Na M.W. 518.57 22.99 C-167004
Cefminox Sodium impurity 4 CAS No. N/A C16H20N3O9S2 Na M.W. 462.48 22.99 C-167005	Cefminox Sodium Impurity 5 CAS No. N/A C8H16N2O6S M.W. 268.29 C-167006
Cefminox Sodium Impurity 6 CAS No. N/A C8H14N2O5S M.W. 250.28 C-167007	7-Hydroxy Coumarin Glucuronide Sodium C15H13O9.Na M.W. 337.27 22.99 C-168
C16-Ceramide-13C2, D2 C34H65NO3D2 M.W. 541.91 C-168001	C16-Ceramide-D3 C34H64NO3D3 M.W. 540.94 C-168002
C16-Ceramide-13C3,15N C34H67NO3 M.W. 541.88 C-168003	7-Ethoxy Coumarin C11H10O3 M.W. 190.20 C-169
Curculigoside CAS No. 85643-19-2 C22H26O11 M.W. 466.45 C-169001	Captopril disulfide CAS No. 64806-05-09 C18H28N2O6S2 M.W. 432.56 C-171
Captopril Impurity O C21H34N2O6S2 M.W. 474.64 C-1710	Captopril Impurity K CAS No. 76497-39-7 162.21 M.W. C6H10O3S C-1711
Captopril CAS No. 62571-86-2 C9H15NO3S M.W. 217.29 C-172	Captopril-d3 C9H12NO3SD3 M.W. 220.31 C-173
Captopril Impurity F CAS No. N/A C9H15NO3S M.W. 217.29 C-174	Captopril Impurity N C8H14O4S2 M.W. 238.33 C-175
Captopril Impurity H C15H23NO5S2 M.W. 361.48 C-176	Captopril Impurity I C18H28N2O5S2 M.W. 416.56 C-177
Captopril Impurity L C19H30N2O6S2 M.W. 446.59 C-178	Captopril Impurity M C13H21NO5S2 M.W. 335.44 C-179
Caffeine C8H10N4O2 M.W. 194.19 C-181	Caffeine-d3 (7-methyl-d3) CAS No. 26351-04-2 C8H7N4O2D3 M.W. 197.21 C-182
Caffeine-d9 CAS No. 72238-85-8 C8HN4O2D9 M.W. 203.25 C-183	Caffeine Impurity C (Isocaffeine) CAS No. 519-32-4 C8H10N4O2 M.W. 194.19 C-184
Caffeine Impurity E HCl CAS No. 107605-95-8 C7H12N4O. HCl M.W. 168.20 36.46 C-185	Caffeine Impurity F CAS No. 611-59-6 C7H8N4O2 M.W. 180.17 C-186
Carbamazepine-d10 CAS No. 132183-78-9 C15H2N2OD10 M.W. 246.33 C-191	Eslicarbazepine CAS No. 104746-04-5 C15H14N2O2 M.W. 254.29 C-1910
10-Keto-iminodibenzyl CAS No. 21737-58-6 C14H11NO M.W. 209.25 C-1911	Carbamazepine N-Glucuronide C21H20N2O7 M.W. 412.40 C-1912
Carbamazepine-10, 11-epoxide-d10 (11-epoxide-d10) C15H2N2O2D10 M.W. 262.33 C-192	Carbamazepine-10,11-epoxide C15H12N2O2 M.W. 252.28 C-193
10-Methoxy Carbamazepine CAS No. 28721-09-7 C16H14N2O2 M.W. 266.30 C-194	rac-10,11-Dihydro-10,11-dihydroxycarbamazepine-d10 C15H4N2O3D10 M.W. 280.35 C-196
10,11 - Dihydro-10,11-Dihydroxy Carbamazepine (mixture of isomers) C15H14N2O3 M.W. 270.29 C-197	10-Methoxyiminostilbene CAS No. 4698-11-7 C15H13NO M.W. 223.28 C-198
Carbamazepine CAS No. 298-46-4 C15H12N2O M.W. 236.28 C-199	2-[4-[(4-Chlorophenyl)phenyl methyl]-1-piperazinyl]ethanol C19H23ClN2O M.W. 330.86 C-2001
Cetirizine-d4 CAS No. 130018-77-8 C21H25ClN2O3.2 HCl M.W. 388.90 2 36.46 C-201	Cetirizine Impurity C CAS No. 83881-59-8 C21H25ClN2O3 M.W. 388.90 C-2010
Cetirizine Impurity E CAS No. NA C23H29ClN2O4 M.W. 432.95 C-2011	Cetirizine Impurity G CAS No. NA C19H23ClN2O M.W. 330.86 C-2012
Cetirizine Impurity 6 CAS No. NA C11H14Cl2O2S M.W. 281.20 C-2013	Cetirizine Impurity 7 CAS No. NA C23H23ClN2O2S M.W. 426.97 C-2014
Cetirizine Impurity 8 DiHCl CAS No. 200707-85-3 C21H26ClN3O2. 2 HCl M.W. 387.91 2 36.46 C-2015	Cetirizine Impurity (4-Chlorobenzophenone) C13H9ClO M.W. 216.67 C-2016
Cetirizine Lactose Ester C33H45ClN2O13 M.W. 713.19 C-2017	Deschloro Cetirizine Dihydrochloride CAS No. 83881-54-3 C21H26N2O3 . HCl M.W. 354.45 36.46 C-2018
Cetirizine Methyl Ester C22H27ClN2O3 M.W. 402.93 C-2019	(S)-Cetirizine (Dextrocetirizine) CAS No. 130018-76-7 C21H25ClN2O3.2 HCl M.W. 388.90 2 36.46 C-202
4-Chloro Benzhydrol (Meclozine EP Impurity B) CAS No. 119-56-2 C13H11ClO M.W. 218.69 C-2020	Cetirizine Impurity D CAS No. 346451-15-8 C30H28Cl2N2. M.W. 487.48 C-2021
Cetirizine Related Compound CAS No. 108983-83-1 C19H24N2O 2HCl M.W. 296.42 2x36.46 C-2022	Cetirizine Propanediol Ester Impurity CAS No. N/A C24H31ClN2O4 M.W. 446.98 C-2023
Cetirizine Glycerol Ester Impurity CAS No. N/A C24H31ClN2O5 M.W. 462.98 C-2024	Cetirizine Related Compound D CAS No. N/A C22H27ClN2O3 M.W. 402.93 C-2025
Cetirizine diHCl CAS No. 83881-52-1 C21H25ClN2O3. 2 HCl M.W. 388.90 2 36.46 C-2026	Cetirizine 3-chloro Impurity CAS No. 1232460-29-5 C21H25ClN2O3 M.W. 388.90 C-2027
(R)-Cetirizine N-Oxide DiHCl CAS No. 442863-80-1 (free base) C21H25ClN2O4. 2 HCl M.W. 404.90 2 36.46 C-2028	Cetirizine N-Oxide DiHCl CAS No. 1076199-80-8 (free base) C21H25ClN2O4. 2 HCl M.W. 404.90 2 36.46 C-2029
(S)-Cetirizine-d4 (Dextrocetirizine-d4) CAS No. 130018-76-7(non-d) C21H25ClN2O3.2 HCl M.W. 388.90 2 36.46 C-203	Cetirizine Impurity D DiHCl CAS No. 856841-95-7 C30H28Cl2N2. 2 HCl M.W. 487.48 2 36.46 C-2030
(R)-Cetirizine Polyethylene Glycol Ester C21H25ClN2O3[C2H4O]n M.W. 388.90[44.05]n C-2031	Cetirizine N,N-Dioxide DiHCl C21H25ClN2O5. 2 HCl M.W. 420.90 2 36.46 C-2032
Cetirizine Sorbitol Ester Impurity CAS No. N/A C27H37ClN2O8 M.W. 553.06 C-2033	(R)-Cetirizine diHCl (Levocetirizine diHCl) (Levocetirizine) CAS No. 130018-87-0 C21H25ClN2O3. 2 HCl M.W. 388.90 2 36.46 C-204
(R)-Cetirizine-d4 (Levocetirizine-d4) CAS No. 130018-77-8(non-d) C21H25ClN2O3.2 HCl M.W. 388.90 2 36.46 C-205	Cetirizine-d8 CAS No. 774596-22-4 C21H17ClN2O3D8.2 HCl M.W. 396.95 2 36.46 C-206
Cetirizine Impurity A CAS No. 303-26-4 C17H19ClN2 M.W. 286.81 C-208	Cetirizine Impurity B CAS No. NA C19H21ClN2O2 M.W. 344.84 C-209
(s)-(-)-Carbidopa-d3 CAS No. 1276732-89-8 C10H11N2O4D3 M.W. 229.25 C-211	Carbidopa C10H14N2O4 M.W. 226.23 C-212
Carbidopa-d6 CAS No. N/A C10H8N2O4D6 M.W. 232.27 C-213	2-Bromo Carbidopa CAS No. 1246817-47-9 C10H13BrN2O4 M.W. 305.13 C-214
3-Bromo Carbidopa CAS No. 1246819-09-9 C10H13BrN2O4 M.W. 305.13 C-215	6-Hydroxy Chlorzoxazone CAS No. 1750-45-4 C7H4ClNO3 M.W. 185.57 C-221
6-Hydroxy Chlorzoxazone-d2 CAS No. 1750-45-4(non-d) C7H2ClNO3D2 M.W. 187.58 C-222	Chlorzoxazone-d3 CAS No. 95-25-0(non-d) C7HClNO2D3 M.W. 172.59 C-223
6-Hydroxy Chlorzoxazone-15N-d2 CAS No. 1750-45-4 (non-d) C7H2ClNO3D2 M.W. 188.57 C-224	Chlorzoxazone C7H4ClNO2 M.W. 169.57 C-225
Chlorpyriphos-d10 CAS No. 39475-55-3 (non-d) C9HCl3NO3PSD10 M.W. 360.65 C-231	Chlorpyriphos impurity (O,O-bis-(3,5,6-trichloropyridin-2-yl) hydrogen thiophosphate) C10H3Cl6N2O3PS M.W. 474.90 C-232
Clofibric acid-d4 CAS No. 882-09-7 (non-d) C10H7ClO3D4 M.W. 218.67 C-241	Clofibrate-d4 CAS No. 637-07-0 (non-d) C10H7ClO3D4 M.W. 246.73 C-242
Clofibric acid-acyl-beta-D-Glucuronide CAS No. 72072-47-0 C16H19ClO9 M.W. 390.78 C-243	Clonidine-d4 HCl CAS No. 67151-02-4(non-d) C9H5Cl2N3D4.HCl M.W. 34.12 36.46 C-251
4-Hydroxy Clonidine CAS No. 57101-48-1 C9H9Cl2N3O M.W. 246.10 C-252	Clotrimazole-d5 CAS No. 23593-75-1 (non-d) C22H12ClN2D5 M.W. 349.87 C-261
1-(2-Chlorophenyl-diphenylmethyl)-1H-pyrazole CAS No. 289905-88-0 C22H17ClN2 M.W. 344.85 C-2610	2-Chlorophenyl-phenyl-dichloromethane CAS No. 3509-85-1 C13H9N3 M.W. 271.58 C-2611
2-Chlorophenyl-diphenylmethane CAS No. 56153-60-7 C19H15Cl M.W. 278.78 C-2612	Clotrimazole CAS No. 23593-75-1 C22H17ClN2 M.W. 344.85 C-262
Clotrimazole Impurity A CAS No. 66774-02-5 C19H15ClO M.W. 294.78 C-263	Clotrimazole Impurity B CAS No. 23593-71-7 C22H17ClN2 M.W. 344.85 C-264
Clotrimazole Impurity C CAS No. 42074-68-0 C19H14Cl2 M.W. 313.23 C-265	Clotrimazole Impurity E CAS No. 5162-03-8 C13H9ClO M.W. 216.67 C-266
Clotrimazole Impurity F CAS No. 15469-97-3 C22H18N2 M.W. 310.40 C-267	2-Chlorophenyl-trichloromethane CAS No. 2136-89-2 C7H4Cl4 M.W. 229.92 C-268
Cortisone-d2 CAS No. 53-06-5 (non-d) C21H26O5D2 M.W. 362.47 C-271	20-beta-Dihydrocortisol-d4 CAS No. N/A C21H28O5D4 M.W. 368.51 C-2710
Hydrocortisone Impurity D CAS No. 53-35-0 C21H30O6 M.W. 378.47 C-2711	Hydrocortisone Impurity H CAS No. N/A C21H30O6 M.W. 378.47 C-2712
Hydrocortisone Impurity I CAS No. 103795-84-2 C21H30O6 M.W. 378.47 C-2713	Hydrocortisone Impurity M CAS No. 566-35-8 C21H30O5 M.W. 362.47 C-2714
Hydrocortisone Impurity N CAS No. N/A C42H58O10 M.W. 722.92 C-2715	Hydrocortisone Impurity O CAS No. N/A C21H30O6 M.W. 378.47 C-2716
6-beta-Hydroxycortisol Glucuronide CAS No. N/A C27H38O12 M.W. 554.60 C-2717	6-beta-Hydroxycortisol Sulfate CAS No. 53587-06-7 C21H30O9S M.W. 458.53 C-2718
21-Deoxy Cortisone CAS No. 1882-82-2 C21H28O4 M.W. 344.45 C-2719	Cortisol-d2 (Hydrocortisone-d2) CAS No. 50-23-7(non-d) C21H28O5D2 M.W. 364.48 C-272
Cortisol-d4 (Hydrocortisone-d4) CAS No. 73565-87-4 C21H26O5D4 M.W. 366.49 C-273	11-Deoxycortisol-d2 CAS No. NA C21H28O4D2 M.W. 348.48 C-274
Tetrahydro-11-deoxy Cortisol C21H34O4 M.W. 350.50 C-275	Tetrahydro-11-deoxy Cortisol-d5 C21H29O4D5 M.W. 355.53 C-276
Cortisol-d5 CAS No. N/A C21H25O5D5 M.W. 367.50 C-277	20-beta-Dihydrocortisol CAS No. 116-58-5 C21H32O5 M.W. 364.49 C-278
20-beta-Dihydrocortisol-d5 CAS No. N/A C21H27O5D5 M.W. 369.52 C-279	Cyproterone Acetate Impurity F (Cyproterone) CAS No. 2098-66-0 C22H27ClO3 M.W. 374.91 C-281
Cyproterone Impurity I CAS No. 13698-49-2 C23H27ClO4 M.W. 402.92 C-2810	Cyproterone Impurity E C24H30O5 M.W. 398.50 C-2811
Cyproterone Impurity B C25H32O5 M.W. 412.53 C-2812	Cyproterone Impurity G C24H31ClO5 M.W. 434.96 C-2813
Cyproterone Impurity C C24H30Cl2O4 M.W. 453.41 C-2814	Cyproterone Impurity A C24H30O4 M.W. 382.50 C-2815
Cyproterone Impurity J CAS No. 15423-97-9 C24H30O5 M.W. 398.50 C-2816	Cyproterone-d5 CAS No. 2098-66-0 (non-d) C24H26ClO3D5 M.W. 407.97 C-282
Cyproterone acetate CAS No. 427-51-0 C24H29ClO4 M.W. 416.95 C-283	Cyproterone acetate-13C2-d3 CAS No. 427-51-0 (non-d) C26H30ClO4D3 M.W. 450.02 C-284
Cyproterone acetate-d5 CAS No. 427-51-0 (non-d) C26H28ClO4D5 M.W. 450.02 C-285	15-Hydroxy cyproterone C24H31ClO4 M.W. 418.97 C-286
15-Hydroxy cyproterone acetate C26H33ClO5 M.W. 461.00 C-287	Cyproterone Acetate-d3 C24H26ClO4D3 M.W. 419.97 C-288
15-beta-Hydroxy Cyproterone CAS No. 65423-26-9 C24H29ClO5 M.W. 432.95 C-289	Creatinine-d3 CAS No. 143827-20-7(non-d) C4H4N3OD3 M.W. 116.14 C-291
Cyanazine-d5 C9H8ClN6D5 M.W. 245.73 C-301	Cyclobenzaprine-d3 HCl CAS No. 352431-15-3 C20H18ND3.HCl M.W. 278.42 36.46 C-311
Cyclobenzaprine Related Compound A CAS No. 18029-54-4 C20H23NO M.W. 293.41 C-3110	3-Hydroxy Cyclobenzaprine CAS No. 30235-48-4 C20H21NO M.W. 291.40 C-3112
3,5-Dihydroxy-N-Methylprotriptyline CAS No. 30235-47-3 C20H23NO2 M.W. 309.40 C-3113	Cyclobenzaprine CAS No. 303-53-7 C20H21N M.W. 275.40 C-312
Cyclobenzaprine-13C-d3 CAS No. 303-53-7(non-d) C20H18ND3 M.W. 279.40 C-313	Cyclobenzaprine N-Glucuronide (mixture of isomers) C26H29NO6 M.W. 451.52 C-314
Cyclobenzaprine N-oxide CAS No. 6682-26-4 C20H21NO M.W. 291.40 C-315	N-Desmethyl Cyclobenzaprine-d3 HCl C19H16ND3. HCl M.W. 264.39 36.46 C-316
N-Desmethyl Cyclobenzaprine HCl C19H19N.HCl M.W. 261.37 36.46 C-317	Cyclobenzaprine-d6 HCl C20H15ND6.HCl M.W. 281.43 36.46 C-318
Cyclobenzaprine-N-Glucuronide-d3 (mixture of isomers) Bromide C26H27NO6D3.Br M.W. 455.55 79.90 C-319	Clauvanic Acid Impurity A C8H12N2O2 M.W. 168.20 C-321
Clavulanic acid-d4 C8H5NO5D4 M.W. 203.19 C-3210	Clavulanic Acid Impurity G C13H15NO6 M.W. 281.27 C-3211
Clauvanic Acid Impurity B C11H16N2O4 M.W. 240.26 C-322	Clauvanic Acid Impurity C CAS No. 86917-74-0 C10H16N2O2 M.W. 196.25 C-323
Clauvanic Acid Impurity D C7H9NO3 M.W. 155.15 C-324	Clauvanic Acid Impurity E C16H18N2O10 M.W. 398.33 C-325
Clauvanic Acid Impurity F C13H14N2O5 M.W. 278.27 C-326	Clauvanic Acid Impurity G C26H26N2O11 M.W. 542.50 C-327
Potassium Clavulanate CAS No. 61177-45-5 C8H8NO5. K M.W. 198.16 39.10 C-328	Clavulanic Acid Imidazole-d3 Derivative C10H10N3O3D3 M.W. 226.25 C-329
Chlorguanide (Proguanil) CAS No. 500-92-5 C11H16ClN5 M.W. 253.74 C-331	Chlorguanide-d6 HCl CAS No. 500-92-5 (non-d) C11H10ClN5D6.HCl M.W. 259.77 36.46 C-332
Chlorguanide Impurity A (Proguanil Impurity A) CAS No. 44830-55-9 C5H10N4 M.W. 126.16 C-333	Cycloguanil CAS No. 516-21-2 C11H14ClN5 M.W. 251.72 C-341
Cycloguanil-d6 CAS No. 516-21-2 (non-d) C11H8ClN5D6 M.W. 257.76 C-342	Capecitabine-d11 CAS No. 154361-50-9 (non-d) C15H11FN3O6D11 M.W. 370.42 C-351
3’-(5’-Deoxy-Alfa-D-ribofuranoyl) Capecitabine CAS No. 1262133-68-5 C20H30FN3O9 M.W. 475.48 C-3510	Capecitabine impurity E CAS No. 910129-15-6 C15H22FN3O6 M.W. 359.36 C-3511
Capecitabine impurity F CAS No. 162204-30-0 C15H22FN3O6 M.W. 359.36 C-3512	alpha-Capecitabine C15H22FN3O6 M.W. 359.36 C-3513
2’, 3’-Di-O-acetyl-5’-Deoxy-5-Fuluro-D-Cytidine CAS No. 161599-46-8 C13H16FN3O6 M.W. 329.29 C-3514	2’, 3’-Di-O-acetyl-5’-Deoxy-5-Fuluro-N4-(Pentoxycarbonxyl)-Cytidine CAS No. 162204-20-8 C19H26FN3O8 M.W. 443.43 C-3515
Capecitabine Related Compound C CAS No. 921769-65-5 C16H20FN3O7 M.W. 385.35 C-3516	Capecitabine Related Compound (α-isomer) C13H16FN3O6 M.W. 329.29 C-3517
Capecitabine CAS No. 154361-50-9 C15H11FN3O6D11 M.W. 359.36 C-352	5'-DFCR (5'-Deoxy-5-fluorocytidine) CAS No. 66335-38-4 C9H12FN3O4 M.W. 245.21 C-353
5'-DFUR (5'-Deoxy-5-fluorouridine, Doxifluridine) CAS No. 3094-09-5 C9H11FN2O5 M.W. 246.20 C-354	5'-DFUR-13C5 (5'-Deoxy-5-fluorouridine, Doxifluridine-13C5) CAS No. 3094-09-5 (non-labeled) C9H11FN2O5 M.W. 251.22 C-355
Tetrahydrouridine CAS No. 18771-50-1 C9H11FN2O5 M.W. 246.20 C-357	3’-(5’-Deoxy-Beta-D-ribofuranoyl) Capecitabine CAS No. 1262133-64-1 C20H30FN3O9 M.W. 475.48 C-358
2’-(5’-Deoxy-Beta-D-ribofuranoyl) Capecitabine CAS No. 1262133-66-3 C20H30FN3O9 M.W. 475.48 C-359	Colchicine-13C-d3 CAS No. 64-86-8-9 (non-d) C22H22NO6D3 M.W. 403.45 C-361
Clarithromycin-13C-d3 CAS No. 81103-11-9 (non-d) C38H66NO13D3 M.W. 751.98 C-371	Clarithromycin Impurity C CAS No. 127253-06-9 C38H70N2O13 M.W. 762.99 C-3710
14-Hydroxy clarithromycin-13C-d3 C38H66NO14D3 M.W. 767.98 C-372	N-Desmethyl Clarithromycin C37H67NO13 M.W. 733.95 C-373
Clarithromycin C38H69NO13 M.W. 747.97 C-374	Clarithromycin N-Oxide C38H69NO14 M.W. 763.97 C-375
Clarithromycin Impurity F C39H72NO13 M.W. 763.01 C-376	Clarithromycin Impurity G C39H72N2O13 M.W. 777.01 C-377
Clarithromycin Impurity H C30H55NO10 M.W. 589.77 C-378	Clarithromycin Impurity E C39H71NO13 M.W. 762.00 C-379
Cinnarizine CAS No. 298-57-7 C26H28N2 M.W. 368.53 C-381	Cinnarizine-d8 CAS No. 298-57-7 (non-d) C26H20N2D8 M.W. 376.58 C-382
Cinnarizine Impurity A C17H20N2 M.W. 252.36 C-383	Cinnarizine Impurity B CAS No. 750512-44-8 C26H28N2 M.W. 368.53 C-384
Cinnarizine Impurity C C35H37N2Cl M.W. 521.13 C-385	Cinnarizine Impurity D C35H36N2 M.W. 484.69 C-386
(Z)-Cinnarizine-d8 CAS No. 16699-20-0 (non-labelled) C26H20D8N2 M.W. 376.56 C-387	Cinnarizine Impurity E CAS No. 216581-01-0 C30H30N2 M.W. 418.59 C-388
Cinacalcet (R-Enantiomer) HCl CAS No. 364782-34-3 C22H22F3N. HCl M.W. 357.42 36.46 C-401	Cinacalcet Impurity 3 C22H22F3N M.W. 357.42 C-4010
Cinacalcet Impurity 4 HCl C22H20F3N. HCl M.W. C22H20F3N. HCl C-4011	Cinacalcet Impurity 5 C22H24F3N M.W. 359.44 C-4012
Cinacalcet Impurity 6 C10H9F3 M.W. 186.18 C-4013	Cinacalcet Impurity 7 CAS No. 21172-43-0 C11H13F3O3S M.W. 282.28 C-4014
Cinacalcet Impurity 8 C32H31F6N M.W. 543.60 C-4015	Cinacalcet Impurity 9 HCl CAS No. 253337-60-9 (free base) C22H25N. HCl M.W. 303.45 36.46 C-4016
Cinacalcet Impurity 10 C22H22F3N M.W. 357.42 C-4017	Cinacalcet Dihydro Impurity 1 HCl CAS No. 1020414-33-8 C22H24F3N HCl M.W. 359.44 36.46 C-4018
Cinacalcet Dihydro Impurity 2 HCl CAS No. 802918-36-1 (free base) C22H24F3N HCl M.W. 359.44 36.46 C-4019	Cinacalcet-d3 (R-Enantiomer) CAS No. 226256-56-0 (non-d) C22H19F3ND3 M.W. 360.44 C-402
Cinacalcet impurity 11 C22H26F3N M.W. 361.45 C-4020	Cinacalcet impurity 12 C22H28F3N M.W. 363.47 C-4021
Cinacalcet Defluoro Impurity CAS No. N/A C22H23F2N M.W. 339.43 C-4022	rac Cinacalcet-d3 (methyl-d3) Hydrochloride CAS No. 364782-34-3 (non-d) C22H22F3N2 HCl M.W. 396.90 C-403
rac Cinacalcet HCl C22H22F3N . HCl M.W. 357.42 36.46 C-404	Tetrahydro Cinacalcet Impurity C22H26F3N M.W. 361.45 C-405
Cinacalcet N-Oxide Impurity CAS No. 1229224-94-5 C22H21F3NO M.W. 372.41 C-406	(R)-alpha-Methyl-N-[3-[3-(trifluoromethyl)phenyl]methyl]-1-naphthalenemethaneamine C20H18F3N M.W. 329.37 C-407
(S)-Cinacalcet HCl (ent-Cinacalcet HCl) CAS No. 694495-47-1 C22H22F3N . HCl M.W. 357.42 36.46 C-408	Cystine-d4 CAS No. 56-89-3 (non-d) C6H8N2O4S2D4 M.W. 244.33 C-411
Taurochenodeoxycholic Acid C26H45NO6S M.W. 499.72 C-421	Chenodeoxycholic-2,2,4,4-D4 Acid C24H36O4D4 M.W. 396.61 C-422
Taurochenodeoxycholic-2,2,4,4-D4 Acid C26H41NO6SD4 M.W. 503.74 C-423	Cimetidine-d3 C10H13N6SD3 M.W. 255.36 C-431
Cimetidine CAS No. 51481-61-9 C10H16N6S M.W. 252.34 C-432	Cimetidine Sulphoxide Dihydrochloride CAS No. 54237-72-8 C10H16N6OS 2HCl M.W. 268.34 2x36.46 C-433
Cimetidine Impurity D CAS No. N/A C9H17N5S M.W. 227.33 C-434	Cyromazin-d4 C6H6N6D4 M.W. 170.21 C-441
Cytidine-d2 C9H11N3O5D2 M.W. 245.23 C-451	5-Aza-2'-deoxy cytidine-15N4 C8H12N4O4 M.W. 232.18 C-452
Cytidine 5'-Monophosphomorpholidate 4-Morpholine-N,N'-dicyclohexylcarboxamidine Salt CAS No. 76742-18-2 C18H32N2O . C13H20N4O8P M.W. 292.47 391.30 C-453	Cytidine-5'-Monophosphate Disodium Salt CAS No. 6757-06-8 C9H12N3O8P . 2 Na M.W. 321.19 2 22.99 C-454
Carebastine CAS No. 90729-42-3 C32H37NO4 M.W. 499.66 C-461	Carebastine-d5 CAS No. 1189661-02-6 C32H32NO4D5 M.W. 504.69 C-462
Cephalexin CAS No. 15686-71-2 C16H17N3O4S M.W. 347.40 C-471	Cephalexin Impurity E CAS No. 146794-70-9 C13H18N2O4S M.W. 298.36 C-4710
Cephalexin Impurity F CAS No. N/A C16H17N3O4S M.W. 347.40 C-4711	Cephalexin Impurity J C16H17N3O5S M.W. 363.39 C-4712
Cephalexin Impurity K C24H24N4O5S.CH2O2 M.W. 480.55 46.03 C-4713	Cephalexin Diketopiperazine CAS No. 59865-11-1 C16H17N3O4S M.W. 347.40 C-4714
Cephalexin Impurity A (D-2-Phenylglycine) CAS No. 875-74-1 C8H9NO2 M.W. 151.17 C-4715	Cephalexin Impurity B CAS No. 22252-43-3 C8H10N2O3S M.W. 214.24 C-4716
Cephalexin Related Compound CAS No. 37050-97-8 C16H16N3O4S Na M.W. 346.39 22.99 C-4717	Cephalexin-d5 CAS No. 15686-71-2 (non-d) C16H12N3O4SD5 M.W. 352.43 C-472
Cephalexin Sulfoxide CAS No. 52210-38-5 C16H17N3O5S M.W. 363.39 C-473	L-Cephalexin CAS No. 34632-04-7 C16H17N3O4S M.W. 347.40 C-474
Cephalexin Related Compound (N-Ethoxycarbonyl-7-ADCA) CAS No. 72820-16-7 C11H14N2O5S M.W. 286.31 C-475	Cephalexin Phenylglycin C24H24N4O5S M.W. 480.55 C-476
Cephalexin Dimer C32H32N6O7S2 M.W. 676.78 C-477	Cephalexin Impurity C CAS No. N/A C24H24N4O5S M.W. 480.55 C-478
Cephalexin Impurity D CAS No. 34876-35-2 C5H6O2S M.W. 130.17 C-479	Chlorpheniramine-d4 maleate CAS No. 113-92-8 (non-d) C16H15ClN2D4.C4H4O4 M.W. 278.82 116.07 C-481
Chlorpheniramine N-Oxide HCl C16H19ClN2O.HCl M.W. 290.80 36.46 C-482	Chlorpheniramine-d6 Maleate CAS No. 1185054-60-7 (free base) C16H13ClN2D6. C4H4O4 M.W. 280.83 116.07 C-483
S-Chlorpheniramine Maleate C16H19ClN2.C4H4O4 M.W. 274.80 116.07 C-484	R-Chlorpheniramine Maleate CAS No. 23095-76-3 C16H19ClN2. C4H4O4 M.W. 274.80 116.07 C-485
Chlorpheniramine Maleate C16H19ClN2. C4H4O4 M.W. 274.80 116.07 C-486	Chlorpheniramine Impurity D Maleate C17H18ClN3. C4H4O4 M.W. 299.81 116.07 C-487
Chlorphenamine Impurity A Dimaleate C16H24ClN3. 2 C4H4O4 M.W. 293.84 2 116.07 C-488	1-(3-chlorophenyl)-piperazine (m-CPP) C10H13ClN2 M.W. 196.68 C-491
1-(3-chlorophenyl)-piperazine-d8 (m-CPP-d8) C10H5ClN2D8 M.W. 204.73 C-492	Clindamycin-13C-d3 C18H30ClN2O5SD3 M.W. 429.00 C-501
Clindamycin impurity (deshydro) C18H32N2O5S M.W. 388.53 C-5010	Clindamycin impurity (4-chloro) C18H32Cl2N2O4S M.W. 443.44 C-5011
Clindamycin sulfoxide C18H33ClN2O6S M.W. 440.99 C-502	Clindamycin 3-Phosphate C18H34ClN2O8PS M.W. 504.97 C-503
Clindamycin 4-Phosphate C18H34ClN2O8PS M.W. 504.97 C-504	Clindamycin impurity B CAS No. 18323-43-8 C17H31ClN2O5S M.W. 410.96 C-505
Clindamycin impurity C (7-Epi Clindamycin) hydrochloride CAS No. 16684-06-3 C18H33ClN2O5S .HCl M.W. 424.99 36.5 C-506	Clindamycin impurity (sulfone) C18H33ClN2O7S M.W. 456.99 C-507
Clindamycin impurity (hydrolysis product A) C9H17NO2 M.W. 171.24 C-508	Clindamycin impurity (hydrolysis product B) C9H18ClNO4S M.W. 271.77 C-509
Cholecalciferol-d7 CAS No. 67-97-0 (non-d) C27H37OD7 M.W. 391.69 C-511	Precalciferol (Previtamin D3) CAS No. 1173-13-3 C27H44O M.W. 384.65 C-5110
1-alfa-25-Dihydroxycholecalciferol Impurity 1 CAS No. N/A C27H44O3 M.W. 416.65 C-5111	1-alfa-25-Dihydroxycholecalciferol Impurity 2 CAS No. N/A C27H44O3 M.W. 416.65 C-5112
25-Hydroxycholecalciferol C27H44O2 M.W. 400.65 C-512	25-hydroxycholecalciferol-d6 C27H38O3D6 M.W. 422.69 C-513
Cholecalciferol glucuronide C33H52O7 M.W. 560.78 C-514	Cholecalciferol sulfate C27H44O4S M.W. 464.71 C-515
Cholecalciferol Impurity A (5,6-trans-Cholecalciferol, 5,6-trans-Vitamin D3) CAS No. 22350-41-0 C27H44O M.W. 384.64 C-516	Cholecalciferol Impurity D (iso-Tachysterol 3) CAS No. 22350-43-2 C27H44O M.W. 384.64 C-517
Cholecalciferol Impurity E (Tachysterol 3) CAS No. 17592-07-3 C27H44O M.W. 384.64 C-518	Cholecalciferol Impurity C (lumisterol 3) CAS No. 5226-01-7 C27H44O M.W. 384.64 C-519
Cefprozil CAS No. 92665-29-7 C18H19N3O5S M.W. 389.43 C-521	Cefprozil-d4 CAS No. 92665-29-7 (non-d) C18H15N3O5SD4 M.W. 393.46 C-522
Cholesterol-d7 C27H39OD7 M.W. 393.71 C-531	20(R), 22(R)-Dihydroxy Cholesterol CAS No. 53448-11-6 C27H46O3 M.W. 418.67 C-5310
Cholestane-3β,5α,6β-triol CAS No. 1253-84-5 C27H48O3 M.W. 420.68 C-5311	Cholestane-3β,5α,6β-triol-d5 C27H43O3D5 M.W. 425.71 C-5312
7a,12a-Dihydroxycholest-4-en-3-one-d3 CAS No. N/A C27H41O3D3 M.W. 419.67 C-5313	22-alpha-Hydroxy Cholesterol CAS No. 17954-98-2 C27H46O2 M.W. 402.67 C-5314
(3-beta)-7-Dehydrocholesterol (Cholesta-5,7-dien-3-beta-ol) CAS No. 434-16-2 C27H44O M.W. 384.65 C-5315	7-Dehydro Desmosterol CAS No. 1715-86-2 C27H42O M.W. 382.64 C-5316
7-Dehydro Desmosterol-d6 CAS No. N/A C27H36OD6 M.W. 388.67 C-5317	Desmosterol-D6 C27H38D6O M.W. 390.69 C-5318
Cholesterol-d4 C27H42OD4 M.W. 390.69 C-532	Cholesterol-d6 C27H40OD6 M.W. 392.71 C-533
4-Hydroxy Cholesterol C27H46O2 M.W. 402.67 C-534	4-beta-Hydroxy Cholesterol-d7 CAS No. 1246302-80-6 C27H39O2D7 M.W. 409.71 C-535
27-Hydroxy 7-ketocholesterol C27H44O3 M.W. 416.65 C-536	27-Hydroxy 7-ketocholesterol-d10 C27H34O3D10 M.W. 426.71 C-537
27-Carboxy 7-Ketocholesterol C27H42O4 M.W. 430.63 C-538	27-Carboxy 7-Ketocholesterol-d10 C27H32O4D10 M.W. 440.69 C-539
Cyclosporine C62H111N11O12 M.W. 1202.64 C-541	Cyclosporin D C63H113N11O12 M.W. 1216.67 C-542
Cotinine C10H12N2O M.W. 176.22 C-551	Trans 3-hydroxy cotinine-D3 C10H9N2O2D3 M.W. 195.24 C-5510
Norcotinine C9H10N2O M.W. 162.19 C-552	Norcotinine N-Oxide C9H10N2O2 M.W. 178.19 C-553
Cotinine-d4 CAS No. 110952-70-0 (non-d) C10H8N2OD4 M.W. 180.24 C-554	Cotinine-d7 CAS No. 15569-85-4 (non-labelled) C10H5N2OD7 M.W. 183.28 C-555
Cotinine N-Oxide C10H12N2O2 M.W. 192.22 C-556	Cotinine N-glucuronide C16H20N2O7 M.W. 352.35 C-557
Cotinine-d3 CAS No. 110952-70-0(non-d) C10H9N2OD3 M.W. 179.24 C-558	Trans 3-hydroxy cotinine C10H12N2O2 M.W. 192.22 C-559
Lysine Clonixinate CAS No. 55837-30-4 C13H11ClN2O2. C6H14N2O2 M.W. 262.70 146.19 C-561	Clonixin CAS No. 17737-65-4 C13H11ClN2O2 M.W. 262.70 C-562
Clonixin-D6 C13H5ClN2O2D6 M.W. 268.73 C-563	Cholic-2,2,4,4-D4 Acid C24H36O5D4 M.W. 412.61 C-571
Glycochenodeoxycholic acid-d4 CAS No. N/A C26H39NO5D4 M.W. 453.66 C-5710	Cholic Acid Impurity (3-alpha-Hydroxy-7,12-diketo-5-beta-cholan-24-oic acid) CAS No. 517-33-9 C24H36O5 M.W. 404.55 C-5711
3-Oxo Deoxycholic Acid CAS No. 2304-89-4 C24H38O5 M.W. 406.57 C-5712	12-Oxochenodeoxycholic Acid CAS No. 2458-08-4 C24H38O5 M.W. 406.57 C-5713
Cholic Acid Impurity (3-alpha-Hydroxy-12-Oxo-5-beta-Cholanoic Acid) CAS No. 5130-29-0 C24H38O4 M.W. 390.57 C-5714	Cholic acid impurity, 1,3,7-trihydroxyl-cholanic acid C24H40O5 M.W. 408.58 C-5715
Cholic Acid Impurity (3,7,22-Trihydroxyl-Cholanic Acid) CAS No. 108266-90-6 C24H40O5 M.W. 408.58 C-5716	Ursocholic acid CAS No. 2955-27-3 C24H40O5 M.W. 408.58 C-5717
Cholic Acid Impurity (5-beta-Cholane-3-alpha-7-beta-24-Triol) CAS No. 130593-75-8 C24H42O3 M.W. 378.60 C-5718	Isoursodeoxycholic Acid CAS No. 78919-26-3 C24H40O4 M.W. 392.58 C-5719
Taurocholic-2,2,4,4-D4 Acid C26H41NO7SD4 M.W. 519.74 C-572	Taurocholic Acid C26H45NO7S M.W. 515.72 C-573
Cholic Acid C24H40O5 M.W. 408.58 C-574	Taurodeoxycholic acid CAS No. 516-50-7 C26H45NO6S M.W. 499.72 C-575
Taurodeoxycholic acid-d4 CAS No. N/A C26H41NO6SD4 M.W. 503.74 C-576	Glycocholic acid CAS No. 475-31-0 C26H43NO6 M.W. 465.64 C-577
Glycocholic acid-d4 CAS No. N/A C26H39NO6D4 M.W. 469.66 C-578	Glycochenodeoxycholic acid CAS No. 640-79-9 C26H43NO5 M.W. 449.64 C-579
alpha-Cypermethrin C22H19Cl2NO3 M.W. 416.31 C-581	Choline Citrate 3(C5H14NO)•C6H5O7 M.W. 3 104.17•189.10 C-591
Choline Dihydrogen Citrate CAS No. 77-91-8 C5H14NO.C6H7O7 M.W. 104.17 191.12 C-592	Phosphocholine-d9 C5H5NO4PD9 M.W. 192.20 C-593
DPPC (Dipalmitoylphosphatidylcholine) CAS No. 2644-64-6 C40H80NO8P M.W. 734.06 C-594	Uridine Diphosphate Choline (UDPC) CAS No. 99492-83-8 C14H25N3O12P2 M.W. 489.32 C-595
Citicoline Sodium Salt (CDP-Choline) CAS No. 33818-15-4 C14H25N4O11P2. Na M.W. 487.32 22.99 C-596	Carprofen CAS No. 53716-49-7 C15H12ClNO2 M.W. 273.72 C-601
Chlorambucil CAS No. 305-03-3 C14H19Cl2NO2 M.W. 304.22 C-611	Chlorambucil-d8 CAS No. 305-03-3 (non-d) C14H11Cl2NO2D8 M.W. 312.27 C-612
Phenylacetic acid mustard CAS No. 10477-72-2 C12H15Cl2NO2 M.W. 276.16 C-613	Phenylacetic acid mustard-d8 CAS No. 10477-72-2 (non-d) C12H7Cl2NO2D8 M.W. 284.21 C-614
3,4-Dehydrochlorambucil CAS No. N/A C14H17Cl2NO2 M.W. 302.20 C-615	Clocinizine CAS No. 298-55-5 C26H27ClN2 M.W. 402.97 C-621
Clocinizine-d8 CAS No. 298-55-5 (non-d) C26H19ClN2D8 M.W. 411.04 C-622	Carisoprodol-d3 CAS No. 78-44-4 (non-d) C12H21N2O4D3 M.W. 263.35 C-631
Carisoprodol CAS No. 78-44-4 C12H24N2O4 M.W. 260.34 C-632	Carisoprodol-d7 C12H17N2O4D7 M.W. 267.38 C-633
Carisoprodol impurity B CAS No. 7148-50-7 C8H14O3 M.W. 158.20 C-634	Carisoprodol impurity C CAS No. 78-26-2 C7H16O2 M.W. 132.20 C-635
Carisoprodol isopropyl impurity CAS No. 1729-14-2 C15H30N2O4 M.W. 302.42 C-636	Carisbamate (RWJ-333369) CAS No. 194085-75-1 C9H10ClNO3 M.W. 215.64 C-641
Carisbamate-15N-13C-d2 CAS No. 194085-75-1 (non labeled) C9H8ClNO3D2 M.W. 219.63 C-642	Carisbamate glucuronide (mixture of diasteromers) CAS No. N/A C15H18ClNO9 M.W. 391.77 C-643
R-Carisbamate (RWJ-452399) C9H10ClNO3 M.W. 215.64 C-644	R-Carisbamate-15N-13C-d2 C9H8ClNO3D2 M.W. 219.63 C-645
R-Carisbamate glucuronide (mixture of diasteromers) C15H18ClNO9 M.W. 391.77 C-646	Carisbamate-d4 CAS No. 1292841-50-9 C9H6ClNO3D4 M.W. 219.66 C-647
Chlormadinone Acetate CAS No. 302-22-7 C23H29ClO4 M.W. 404.94 C-651	3-Hydroxy Chlormadinone Acetate-d3 C22H26ClO4D3 M.W. 395.95 C-6510
3-Hydroxy Chlormadinone Acetate-13C-d3 C22H26ClO4D3 M.W. 397.92 C-6511	Chlormadinone-d6 Acetate C23H23ClO4D6 M.W. 410.97 C-6512
Chlormadinone CAS No. 1961-77-9 C21H27ClO3 M.W. 362.90 C-652	Chlormadinone-d7 C21H20ClO3D7 M.W. 369.94 C-653
Chlormadinone-d7 Acetate C23H22ClO4D7 M.W. 411.98 C-654	Chlormadinone Acetate-d3 C23H26ClO4D3 M.W. 407.96 C-655
Chlormadinone Acetate-13C-d3 C23H26ClO4D3 M.W. 409.93 C-656	3-Hydroxy Chlormadinone C20H27ClO3 M.W. 350.89 C-657
3-Hydroxy Chlormadinone-d5 C21H24ClO3D5 M.W. 369.95 C-658	3-Hydroxy Chlormadinone Acetate CAS No. 17184-15-5 C22H29ClO4 M.W. 392.93 C-659
Cefaclor-d5 C15H9ClN3O4SD5 M.W. 372.84 C-661	Cefaclor CAS No. 53994-73-3 C15H14ClN3O4S M.W. 367.81 C-662
Cefaclor impurity E C14H14ClN3O4S M.W. 355.80 C-663	Cefaclor Delta-3-Isomer CAS No. N/A C15H14ClN3O4S M.W. 367.81 C-664
Cefaclor Impurity C CAS No. 143059-69-2 C15H14ClN3O4S M.W. 367.81 C-665	Carbinoxamine-d6 Maleate CAS No. 3505-38-2 (non-labelled) C16H13ClN2OD6.C4H4O4 M.W. 296.83 116.07 C-671
Carbinoxamine CAS No. 486-16-8 C16H19ClN2O M.W. 290.80 C-672	Carbinoxamine Impurity A CAS No. 27652-89-7 C12H10ClNO M.W. 219.67 C-673
Carbinoxamine Impurity B CAS No. 14159-57-0 C12H11NO M.W. 185.23 C-674	Ciprofibrate CAS No. 52214-84-3 C13H14Cl2O3 M.W. 289.16 C-681
Ciprofibrate-d6 CAS No. N/A C13H8Cl2O3D6 M.W. 295.20 C-682	Ciprofibrate-O-Belta-D-Glucuronide CAS No. N/A C19H22Cl2O9 M.W. 465.29 C-683
Ciprofibrate impurity A C12H14O3 M.W. 206.24 C-684	Ciprofibrate impurity B C9H8Cl2O M.W. 203.07 C-685
Ciprofibrate impurity C C13H16Cl2O2 M.W. 275.18 C-686	Ciprofibrate impurity D C14H16Cl2O3 M.W. 303.19 C-687
Ciprofibrate impurity E C15H18Cl2O3 M.W. 317.21 C-688	Curcumin C21H20O6 M.W. 368.39 C-691
Curcumin-d6 C21H14O6D6 M.W. 374.43 C-692	Curcumin Glucuronide C27H28O12 M.W. 544.52 C-693
Curcumin Sulfate CAS No. 339286-19-0 C21H19O9S C16H36N M.W. 447.44 242.47 C-694	Curcumin Sulfate Sodium Salt CAS No. 339286-19-0 C21H18O9S. 2 Na M.W. 446.44 2 22.99 C-695
Campesterol (mixture of isomers) C28H48O M.W. 400.69 C-701	Coenzyme Q10 CAS No. 303-98-0 C59H90O4 M.W. 863.37 C-711
Coenzyme Q10-d5 CAS No. 303-98-0 (non-labelled) C59H85O4D5 M.W. 868.40 C-712	Coenzyme Q10-d6 CAS No. 303-98-0 (non-labelled) C59H84O4D6 M.W. 869.41 C-713
DL-Carnitine HCl CAS No. 461-05-2 C7H15NO3.HCl M.W. 161.20 36.46 C-721	L-(-)-Carnitine CAS No. 541-15-1 C7H15NO3 M.W. 161.20 C-722
7-Ethyl-10-Hydroxy Camptothecin C22H20N2O5 M.W. 392.42 C-731	7-Ethyl-10-Hydroxy Camptothecin-d3 CAS No. N/A C22H17N2O5D3 M.W. 395.45 C-732
7-Ethyl-10-Hydroxy Camptothecin-d5 CAS No. 718612-51-2 C22H15N2O5D5 M.W. 397.45 C-733	7-Ethyl Camptothecin CAS No. 78287-27-1 C22H20N2O4 M.W. 376.42 C-734
10-Hydroxy Camptothecin CAS No. 19685-09-7 C20H16N2O5 M.W. 364.36 C-735	7,11-Diethyl-10-hydroxycamptothecin CAS No. 947687-01-6 C24H24N2O5 M.W. 420.47 C-736
Clobutinol HCl CAS No. 1215-83-4 C14H22ClNO.HCl M.W. 255.79 36.46 C-741	Clofazimine CAS No. 2030-63-9 C27H24Cl2N4 M.W. 475.43 C-751
Clofazimine-d7 CAS No. 2030-63-9 (non-d) C27H17Cl2N4D7 M.W. 482.47 C-752	Clofazimine Related Compound B C27H23ClN4 M.W. 438.96 C-753
Cefditoren Sodium Salt CAS No. 104146-53-4 C19H17N6O5S3.Na M.W. 505.58 22.99 C-761	Cefditoren impurity 9, dimer C51H56N12O14S6 M.W. 1253.47 C-7610
Cefditoren impurity 10, ring open dimer C51H59N13O14S6 M.W. 1270.50 C-7611	Cefditoren CAS No. 104145-95-1 C19H18N6O5S3 M.W. 506.58 C-7612
Cefditoren-d3 C19H15N6O5S3D3 M.W. 509.60 C-762	Cefditoren Pivoxil CAS No. 117467-28-4 C25H28N6O7S3 M.W. 620.73 C-763
Cefditoren impurity 2, Cefditoren open ring C25H30N6O8S3 M.W. 638.74 C-764	Cefditoren impurity 4, cefditoren △-3 isomer C25H28N6O7S3 M.W. 620.72 C-765
Cefditoren impurity 5, cefditoren, methoxymethyl C27H32N6O8S3 M.W. 664.77 C-766	Cefditoren impurity 6, cefditoren E-isomer(C=C) C25H28N6O7S3 M.W. 620.72 C-767
Cefditoren impurity 7, cefditoren dipivoxil C31H38N6O9S3 M.W. 734.86 C-768	Cefditoren impurity 8, cefditorenPivaloyl C30H36N6O8S3 M.W. 704.84 C-769
N-Acetyl-S-(2-carbamoyl-2-hydroxyethyl)cysteine C8H14N2O5S M.W. 250.28 C-77010	Acetylcysteine Impurity C C10H16N2O6S2 M.W. 324.38 C-771
S-Carboxypropyl-L- Cysteine-(R)-Sulfoxide CAS No. N/A C7H13NO5S M.W. 223.25 C-7711	S-Carboxypropyl-L- Cysteine-(S)-Sulfoxide CAS No. N/A C7H13NO5S M.W. 223.25 C-7712
Acetylcysteine Impurity D C7H11NO4S M.W. 205.23 C-772	L-Cysteine C3H7NO2S M.W. 121.16 C-773
S-(1,2-Dichlorovinyl)-Cysteine C5H7Cl2NO2S M.W. 216.09 C-774	S-(1,2-dichlorovinyl) cysteine-13C3-15N C5H7Cl2NO2S M.W. 220.05 C-775
S-Carboxymethyl-L-Cysteine Sulfoxide Lactam CAS No. NA C5H7NO4S M.W. 177.18 C-776	S-Carboxymethyl-L-Cysteine Sulfoxide CAS No. 5439-87-2 C5H9NO5S M.W. 195.20 C-777
S-Carboxymethyl-L-cysteine Lactam CAS No. 62305-89-9 C5H7NO3 M.W. 161.18 C-778	S-Methyl-L-Cysteine-S-oxide CAS No. 6853-87-8 C5H11NO3S M.W. 165.21 C-779
Cefoperazone Impurity A CAS No. 73240-08-1 C23H23N5O8S M.W. 529.53 C-781	Cefoperazone Impurity C C2H4N4S M.W. 116.14 C-783
Cefoperazone Sodium C25H26N9O8S2.Na M.W. 644.67 22.99 C-784	Cefoperazone Impurity B CAS No. 711590-76-4 C25H26N9O8S2 M.W. 644,67 C-785
Cefoperazone Impurity F CAS No. 1315481-36-7 C25H29N9O8S2 M.W. 647.69 C-786	Cefoperazone Impurity D CAS No. 37539-03-0 C10H11N5O3S2 M.W. 313.36 C-787
Cabergoline Impurity D CAS No. N/A C23H32N4O M.W. 380.54 C-791	Cabergoline Impurity A CAS No. N/A C18H20N2O2 M.W. 296.37 C-792
Cabergoline CAS No. 81409-90-7 C26H37N5O2 M.W. 451.62 C-793	Cabergoline isomer C26H37N5O2 M.W. 451.62 C-795
Clioquinol EP Impurity A (Cloxyquin) CAS No. 130-16-5 C9H6ClNO M.W. 179.61 C-801	Clioquinol EP Impurity B CAS No. 773-76-2 C9H5Cl2NO M.W. 214.05 C-802
Clioquinol EP Impurity C CAS No. 83-73-8 C9H5I2NO M.W. 396.96 C-803	Clevidipine CAS No. 167221-71-8 C21H23Cl2NO6 M.W. 456.33 C-811
Clevidipine Impurity 7 CAS No. 91854-02-3 C15H15Cl2NO2 M.W. 312.20 C-8110	Clevidipine-d7 C21H16Cl2NO6D7 M.W. 463.37 C-812
Clevidipine Impurity 1 C16H15Cl2NO4 M.W. 356.21 C-813	Clevidipine Impurity 2 C25H29Cl2NO8 M.W. 542.42 C-814
Clevidipine Impurity 3 C17H17Cl2NO4 M.W. 370.24 C-815	Clevidipine Impurity 4 C15H15Cl2NO2 M.W. 312.20 C-816
Clevidipine Impurity 5 C21H21Cl2NO6 M.W. 454.31 C-817	Clevidipine Impurity 6 C15H13Cl2NO4 M.W. 342.18 C-818
Clevidipine isomer C21H23Cl2NO6 M.W. 456.33 C-819	Cis-clomiphene (Zuclomiphene) CAS No. 15690-55-8 C26H28ClNO M.W. 405.97 C-821
Trans-clomiphene (enclomiphene) CAS No. 15690-57-0 C26H28ClNO M.W. 405.97 C-822	Clomiphene-d5 C26H23ClNOD5 M.W. 411.00 C-823
Clomiphene-N-Oxide C26H28ClNO2 M.W. 421.97 C-824	3-Chloroclomiphene Citrate CAS No. N/A C26H27Cl2NO C6H8O7 M.W. 440.42 192.13 C-825
Deschloro Clomiphene CAS No. 19957-52-9 C26H29NO M.W. 371.53 C-826	Cefpodoxime acid C15H17N5O6S2 M.W. 427.46 C-851
Cefpodoxime Proxetil Impurity I C25H33N5O11S2 M.W. 643.70 C-8510	Cefpodoxime Proxetil Impurity J C21H27N5O10S2 M.W. 573.60 C-8511
Cefpodoxime Proxetil Impurity K C21H27N5O10S2 M.W. 573.60 C-8512	Cefpodoxime-d3 acid C15H14D3N5O6S2 M.W. 430.47 C-852
Cefpodoxime Proxetil Impurity B CAS No. 947692-14-0 C20H25N5O8S2 M.W. 527.58 C-853	Cefpodoxime Proxetil Impurity C C21H27N5O9S2 M.W. 557.61 C-854
Cefpodoxime Proxetil Impurity D CAS No. 947692-13-9 C21H27N5O9S2 M.W. 557.61 C-855	Cefpodoxime Proxetil Impurity E CAS No. 217803-89-9 C22H27N5O10S2 M.W. 585.62 C-856
Cefpodoxime Proxetil Impurity F C22H27N5O10S2 M.W. 585.62 C-857	Cefpodoxime Proxetil Impurity G CAS No. 947692-15-1 C23H29N5O10S2 M.W. 599.64 C-858
Cefpodoxime Proxetil (Mixture of Diastereomers) CAS No. 87239-81-4 C21H27N5O9S2 M.W. 557.61 C-859	Ceftiofur HCl C19H17N5O7S3.HCl M.W. 523.57 36.46 C-861
Ceftiofur-d3 C19H14N5O7S3D3 M.W. 526.59 C-862	Desfuroyl Ceftiofur CAS No. 120882-22-6 C14H15N5O5S3 M.W. 429.50 C-863
trans-Capsaicin CAS No. 404-86-4 C18H27NO3 M.W. 305.42 C-871	17-Hydroxy Capsaicin CAS No. 69173-71-3 C18H27NO4 M.W. 321.42 C-8710
trans-Capsaicin-d3 CAS No. 1217899-52-9 C18H24NO3D3 M.W. 308.44 C-872	trans-Capsaicin-13C-d3 C18H24NO3D3 M.W. 309.43 C-873
cis-Capsaicin CAS No. 25775-90-0 C18H27NO3 M.W. 305.42 C-874	cis-Capsaicin-d3 CAS No. 1004316-88-4 (non-labelled) C18H24NO3D3 M.W. 308.44 C-875
cis-Capsaicin-13C-d3 C18H24NO3D3 M.W. 309.43 C-876	Dihydro Capsaicin CAS No. 19408-84-5 C18H29NO3 M.W. 307.44 C-877
16,17-Dehydro Capsaicin CAS No. 509101-57-9 C18H25NO3 M.W. 303.40 C-878	16-Hydroxy Capsaicin CAS No. 112848-19-8 C18H27NO4 M.W. 321.42 C-879
Cefditoren impurity 3, Cefetamet Pivoxil CAS No. 65243-33-6 C20H25N5O7S2 M.W. 511.58 C-881	Delta-2-Cefetamet Pivoxil CAS No. 126617-54-7 C20H25N5O7S2 M.W. 511.58 C-882
(E)-Cefetamet Pivoxil C20H25N5O7S2 M.W. 511.58 C-883	Cefetamet CAS No. 65052-63-3 C14H15N5O5S2 M.W. 397.43 C-884
Cefteram CAS No. 82547-58-8 C16H17N9O5S2 M.W. 479.50 C-891	d2-Cefteram CAS No. 104691-34-1 C16H17N9O5S2 M.W. 479.50 C-892
Cefteram Pivoxil CAS No. 82547-81-7 C22H27N9O7S2 M.W. 593.64 C-893	Delta-2-Cefteram Pivoxil CAS No. 104712-44-9 C22H27N9O7S2 M.W. 593.64 C-894
Ceftizoxime C13H13N5O5S2 M.W. 383.41 C-901	Ceftizoxime S-oxide impurity C13H13N5O6S2 M.W. 399.41 C-902
E-Ceftizoxime C13H12N5O5S2 M.W. 382.40 C-903	Ceftizoxime Impurity 1 C20H19N7O7S3 M.W. 565.61 C-904
Ceftizoxime Impurity 2 C19H18N8O7S3 M.W. 566.60 C-905	Ceftizoxime Impurity 3 C13H15N5O6S2 M.W. 401.42 C-906
Ceftizoxime Impurity 4 C13H15N5O6S2 M.W. 401.42 C-907	Ceftizoxime Impurity 5 C13H15N5O5S2 M.W. 385.42 C-908
Ceftizoxime Related Compound (4-Hydroxyphenylglycine Methyl Ester HCl) C9H11NO3.HCl M.W. 181.19 36.46 C-909	Cefixime C16H15N5O7S2 M.W. 453.46 C-911
Cefixime methyl ester CAS No. 88621-01-6 C17H17N5O7S2 M.W. 467.48 C-9110	Cefixime-13C-15N2 CAS No. NA C16H15N5O7S2 M.W. 456.43 C-912
Cefixime-13C3-15N2 CAS No. NA C16H15N5O7S2 M.W. 458.41 C-913	Cefixime Impurity F CAS No. 79368-95-9 C18H19N5O7S2 M.W. 481.51 C-914
Cefixime impurity A C16H17N5O8S2 M.W. 471.47 C-915	Cefixime impurity B C15H17N5O6S2 M.W. 427.46 C-916
Cefixime EP Impurity C (Cefixime 7-epimer) CAS No. 108691-83-4 C16H15N5O7S2 M.W. 453.46 C-917	Cefixime impurity D C16H15N5O7S2 M.W. 453.46 C-918
Cefixime impurity E C15H15N5O7S2 M.W. 441.44 C-919	Chloroquine Dihydrochloride CAS No. 3545-67-3 C18H28Cl3N3 M.W. 392.79 C-921
Chloroquine-d5 Diphosphate CAS No. 5-67-3 (non-d) C18H21ClN3D5. 2 H3O4P M.W. 324.91 2 98.00 C-922	Desethyl Chloroquine-d4 CAS No. 1476-52-4 (non-d) C16H18ClN3D4 M.W. 295.85 C-923
Desethyl Chloroquine CAS No. 1476-52-4 C16H22ClN3 M.W. 291.83 C-924	Didesethyl Chloroquine CAS No. 4298-14-0 C14H18ClN3 M.W. 263.77 C-925
Didesethyl Chloroquine-d4 CAS No. 4298-14-0 (non-d) C14H14ClN3D4 M.W. 267.80 C-926	Desethyl Chloroquine-d5 HCl C16H17ClN3D5.HCl M.W. 296.86 36.46 C-927
Ceftriaxone-d3 C18H15N8O7S3D3 M.W. 557.60 C-931	(E)-Ceftriaxone (Impurity A) C18H18N8O7S3 M.W. 554.59 C-932
Ceftriaxone Impurity B CAS No. 66340-33-8 C14H13N5O5S2 M.W. 395.42 C-933	Ceftriaxone Impurity C C4H5N3O2S M.W. 159.17 C-934
Ceftriaxone Impurity D CAS No. 80756-85-0 C13H10N4O2S3 M.W. 350.44 C-935	Ceftriaxone Impurity E CAS No. 58909-56-1 C12H13N5O5S2 M.W. 371.40 C-936
Cabazitaxel-d6 C45H51NO14D6 M.W. 841.99 C-941	(2’S, 3’R)-Cabazitaxel CAS No. N/A C45H57NO14 M.W. 835.95 C-9410
Cabazitaxel CAS No. 183133-96-2 C45H57NO14 M.W. 835.95 C-942	Cabazitaxel Impurity (DiTroc) C35H38Cl6O14 M.W. 895.40 C-943
Cabazitaxel Impurity (DiTroc-oxazolidine) C52H59Cl6NO18 M.W. 1198.76 C-944	Cabazitaxel Impurity (DeTroc-oxazolidine) C46H57NO14 M.W. 847.97 C-945
Cabazitaxel Impurity (Amine) C40H49NO12 M.W. 735.84 C-946	Cabazitaxel Impurity (Oxazolidine Protected) C48H61NO14 M.W. 876.02 C-947
Cabazitaxel Impurity CAS No. 183133-94-0 C31H40O10 M.W. 572.66 C-948	Cabazitaxel Impurity (4-Deacetyl-4-Propionyl-Cabazitaxel) CAS No. N/A C46H59NO14 M.W. 849.98 C-949
Cytosine-13C-15N2 C313CH515N2NO M.W. 114.08 C-951	Cefazolin CAS No. 25953-19-9 C14H14N8O4S3 M.W. 454.51 C-961
Cefazolin Impurity (1H-Tetrazole-1-acetic acid) CAS No. 21732-17-2 C3H4N4O2 M.W. 128.09 C-9610	Cefazolin Impurity A CAS No. 30246-33-4 C11H12N4O3S3 M.W. 344.44 C-9611
Cefazolin Impurity D CAS No. 32510-61-5 C13H14N6O6S M.W. 382.36 C-9612	Cefazolin Impurity C CAS No. 56842-77-4 C11H12N6O4S M.W. 324.32 C-9613
Cefazolin 3-Hydroxymethyl Impurity CAS No. N/A C11H12N6O5S M.W. 340.32 C-9614	Cefazolin delta-4 Impurity CAS No. N/A C11H16N8O5S3 M.W. 472.53 C-9615
Tetrazolyl Acetamide Acetal CAS No. N/A C5H9N5O3 M.W. 187.16 C-9616	Cefazolin Impurity 1 C13H17N3O7S M.W. 359.36 C-9617
Cefazolin Impurity 2 C13H17N3O6S M.W. 343.36 C-9618	Cefazolin Impurity K Cefazolin Impurity K M.W. 453.53 C-962
Cefazolin Impurity I C14H16N8O5S3 M.W. 472.53 C-963	Cefazolin Impurity J C11H14N6O6S M.W. 358.33 C-964
Cefazolin-d2-15N C14H12N8O4S3D2 M.W. 457.52 C-965	Cefazolin-13C2-15N C12H14N7O4S313C215N M.W. 457.48 C-966
Cefazolin Sodium impurity B C16H20N4O4S3 M.W. 428.55 C-967	Cefazolin Sodium impurity G C11H10N6O4S M.W. 322.30 C-968
Cefazolin Impurity E CAS No. 29490-19-5 C3H4N2S2 M.W. 132.21 C-969	Carbasalate Calcium Impurity A C18H14O7 M.W. 342.31 C-971
Carbasalate Calcium Impurity D C14H10O5 M.W. 258.23 C-972	Carbasalate Calcium CAS No. 5749-67-7 2 C9H7O4 CH4N2O Ca M.W. 2 179.15 60.06 40.08 C-973
Clethodim sulfoxide CAS No. 111031-14-2 C17H26ClNO4S M.W. 375.92 C-981	Clethodim Sulfone C17H26ClNO5S M.W. 391.92 C-982
Clethodim CAS No. 99129-21-2 C17H26ClNO3S M.W. 359.92 C-983	Z-Clethodim CAS No. N/A C17H26ClNO3S M.W. 359.92 C-984
Clophedianol CAS No. 791-35-5 C17H20ClNO M.W. 289.81 C-991	Clophedianol-d5 C17H15ClNOD5 M.W. 394.84 C-992
Clophedianol-D-glucuronide CAS No. 66171-85-5 C23H28ClNO7 M.W. 465.94 C-993	Celecoxib CAS No. 169590-42-5 C17H14F3N3O2S M.W. 381.38 PF-0025