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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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Noribogaine HCl C19H24N2O. HCl M.W. 296.42 36.46 I-355	Naltrexone-d4 C20H19NO4D4 M.W. 345.43 N-013
Naltrexone HCl CAS No. 16676-29-2 C20H23NO4. HCl M.W. 341.41 36.46 N-0131	Nateglinide-d5 CAS No. 105816-04-4 C19H22D5NO3 M.W. 322.46 N-021
Nateglinide acyl glucuronide C25H35NO9 M.W. 493.56 N-022	Nateglinide C19H27NO3 M.W. 317.43 N-023
Nateglinide Ethyl Ester CAS No. N/A C21H31NO3 M.W. 345.49 N-024	Nateglinide Ethyl Analog CAS No. N/A C18H25NO3 M.W. 303.40 N-025
Nefazodone HCl CAS No. 82752-99-6 C25H32ClN5O2.HCl M.W. 506.48 N-031	Nefazodone-d5 HCl CAS No. 82752-99-6 C25H27D5ClN5O2.HCl M.W. 511.51 N-032
Hydroxy Nefazodone HCl C25H32ClN5O3.HCl M.W. 522.48 N-033	Hydroxy Nefazodone-d5 HCl C25H27D5ClN5O3.HCl M.W. 527.51 N-034
Nefazodone-d6 HCl CAS No. N/A C25H26ClN5O2D6 HCl M.W. 476.06 36.46 N-035	Nefazodone-d6 C25H26ClN5O2D6 M.W. 476.06 N-036
Nelfinavir-d3 C32H42D3N3O4S M.W. 570.80 N-041	Nelfinavir Mesylate CAS No. 159989-65-8 C32H45N3O4S CH4O3S M.W. 567.80 96.11 N-042
Nelfinavir Oxazole Impurity (Impurity A) CAS No. 188936-07-4 C26H39N3O4 M.W. 457.62 N-043	Nelfinavir Sulfoxide Impurity (Impurity B) CAS No. 1041389-28-9 C32H45N3O5S M.W. 583.80 N-044
Nelfinavir Sulfone Impurity (Impurity C) CAS No. 1041389-29-0 C32H45N3O6S M.W. 599.80 N-045	Nelfinavir Regeoisomer (Impurity D) CAS No. 1025936-06-1 C32H45N3O4S M.W. 567.80 N-046
Thiophenol Dimer (Impurity E) CAS No. 882-33-7 C12H10S2 M.W. 218.34 N-047	Nelfinavir Hydroxy-tert-butylamide CAS No. 213135-56-9 C32H45N3O5S M.W. 583.80 N-048
Nicorandil-d4 CAS No. 65141-46-0 C8H5D4N3O4 M.W. 215.20 N-051	p-Nicorandil CAS No. 65141-47-1 C8H9N3O4 M.W. 211.18 N-052
Nicorandil Dimer C16H18N5O5 . Cl M.W. 360.35 35.45 N-053	Naftifine HCl CAS No. 65473-14-5 C21H21N . HCl M.W. 287.41 36.46 N-053001
Naftifine-d3 HCl C21H18ND3 . HCl M.W. 290.43 36.46 N-053002	Nitisinone CAS No. 104206-65-7 C14H10F3NO5 M.W. 329.23 N-054001
Nitisinone-13C6 C813C6H10F3NO5 M.W. 335.17 N-054002	Neramexane-d6 C11H17ND6 M.W. 175.35 N-055001
Neramexane CAS No. 219810-59-0 C11H23N M.W. 169.31 N-055002	Nicotinic Acid Impurity L (3, 5-Dinitropyridine) CAS No. 940-06-7 C5H3N3O4 M.W. 169.10 N-056001
Nomegestrol CAS No. 58691-88-6 C21H28O3 M.W. 328.46 N-057001	Nomegestrol Acetate CAS No. 58652-20-3 C23H30O4 M.W. 370.49 N-057002
Nimorazole CAS No. 6506-37-2 C9H14N4O3 M.W. 226.24 N-058001	Nimorazole-d4 CAS No. N/A C9H10N4O3D4 M.W. 230.26 N-058002
Neotame-d5 CAS No. N/A C20H25N2O5D5 M.W. 383.50 N-059001	Nitrendipine Propyl Ester CAS No. 225785-54-6 C19H22N2O6 M.W. 374.40 N-060001
Nitrendipine CAS No. 39562-70-4 C18H20N2O6 M.W. 360.37 N-060002	Dehydro Nitrendipine CAS No. 89267-41-4 C18H18N2O6 M.W. 358.35 N-060003
5-Carboxy-6-Hydroxymethyl-Dehydronitrendipine CAS No. N/A C17H16N2O7 M.W. 360.33 N-060004	5-Carboxy-6-Hydroxymethyl-Dehydronitrendipine-d4 CAS No. N/A C17H12N2O7D4 M.W. 364.35 N-060005
(R,S)-Anabaseine-d4 C10H8N2D4 M.W. 164.24 N-061	Nicotinamide C6H6N2O M.W. 122.13 N-0610
Noscapine-13C, d3 CAS No. N/A C22H20NO7D3 M.W. 417.44 N-061001	Nornicotine-d4 CAS No. 66148-18-3 C9H8N2D4 M.W. 152.23 N-0611
N'-Nitrosonornicotine-d4 CAS No. 66148-19-4 C9H7N3OD4 M.W. 181.23 N-0612  CAS No. 51095-86-4 C10H14N2O M.W. 178.24 N-0631	N-Nitrosoanabasine HCl CAS No. 37620-20-5 (free base) C10H13N3O. HCl M.W. 191.23 36.46 N-0632
2,3-Pyridinedicarboxylic Acid-d3 CAS No. 138946-42-6 C7H2NO4D3 M.W. 170.14 N-0633	Nicotine Related Compound (3-Pyridylacetic Acid HCl) CAS No. 6419-36-9 C7H7NO2. HCl M.W. 137.14 36.46 N-0634
Nicotinamide metabolite C7H8N2O2 M.W. 152.15 N-0635	beta-Nicotinamide Mononucleotide-13C6 CAS No. N/A C11H15N2O8P M.W. 340.16 N-0636
Nicotinic Acid Benzyl Ester (Benzyl Nicotinate) CAS No. 94-44-0 C13H11NO2 M.W. 213.24 N-0637	Nicotine-d3 CAS No. 69980-24-1 C10H11N2D3 M.W. 165.25 N-064
Nebramine CAS No. 34051-04-2 C14H30N2O5 M.W. 306.41 N-064001	Nicotine-d4 CAS No. 350818-69-8 C10H10N2D4 M.W. 166.26 N-065
Nadifloxacin isomer 1 C14H13FN2O3 M.W. 276.27 N-065001	Nadifloxacin isomer 2 C19H17FN2O4 M.W. 356.36 N-065002
Nadifloxacin isomer 3 C19H15FN2O4 M.W. 354.34 N-065003	Nadifloxacin isomer 4 C15H15FN2O4 M.W. 306.30 N-065004
Nadifloxacin CAS No. 124858-35-1 C19H21FN2O4 M.W. 360.39 N-065005	Nicotinic Acid-d4 C6HNO2D4 M.W. 127.14 N-066
Nintedanib Ethanesulfonate CAS No. 656247-18-6 C31H33N5O4 C2H6O3S M.W. 539.64 110.13 N-066001	Nicotinic acid C6H5NO2 M.W. 123.11 N-067
Nifurprazine CAS No. 1614-20-6 C10H8N4O3 M.W. 232.20 N-067001	Nicotinamide-N-oxide C6H6N2O2 M.W. 138.13 N-068
Nicarbazin CAS No. 330-95-0 C13H10N4O5 . C6H8N2O M.W. 302.25 124.14 N-068001	Nicarbazin-D8 C13H2N4O5D8 . C6H8N2O M.W. 310.30 124.14 N-068002
Nicarbazin Related Compound CAS No. 587-90-6 C13H10N4O5 M.W. 302.25 N-068003	Nicotinamide-d4 C6H2N2OD4 M.W. 126.15 N-069
Descyclopropylmethyl Nalfurafine CAS No. 163713-06-2 C24H26N2O5 M.W. 422.49 N-069001	Nalfurafine 2Z-10-α-Hydroxy Impurity C28H32N2O6 M.W. 492.58 N-069002
Nalfurafine 2Z Impurity C28H32N2O5 M.W. 476.58 N-069003	Nalfurafine 10-α-Hydroxy Impurity C28H32N2O6 M.W. 492.58 N-069004
Nicergoline-13C, d3 CAS No. N/A C24H23BrN3O3D3 M.W. 488.40 N-070001	Nicergoline EP impurity F CAS No. N/A C24H26BrN3O3 M.W. 484.40 N-070002
Nicergoline Impurity B C23H24BrN3O3 M.W. 470.37 N-070003	Nicergoline Impurity E C23H24BrN3O3 M.W. 470.37 N-070004
Nicergoline Impurity G C23H24BrN3O2 M.W. 454.37 N-070005	Nicergoline Impurity H C23H24BrN3O3 M.W. 470.37 N-070006
Nicergoline Impurity I C47H48Br2N6O6 M.W. 952.75 N-070007	Dehydronifedipine-d6 C17H10D6N2O6 M.W. 350.36 N-071
Nicosulfuron CAS No. 111991-09-4 C15H18N6O6S M.W. 410.41 N-071001	Nicosulfuron Impurity (DUDN) C15H18N6O4 M.W. 346.35 N-071002
Nifedipine Impurity 1 CAS No. 161838-99-9 C17H18N2O6 M.W. 346.34 N-0711	Nifedipine Impurity 2 CAS No. 74936-72-4 C16H16N2O6 M.W. 332.32 N-0712
Nifedipine Impurity 3 C15H14N2O6 M.W. 318.29 N-0713	Nifedipine Impurity 4 C28H31N3O6 M.W. 505.58 N-0714
Nifedipine Impurity 5 C28H31N3O6 M.W. 505.58 N-0715	Nifedipine Impurity 6 C27H29N3O6 M.W. 491.55 N-0716
Nifedipine-d6 CAS No. 21829-25-4 C17H12D6N2O6 M.W. 352.38 N-072	4-Nerolidylcatechol CAS No. 74683-11-7 C21H30O2 M.W. 314.47 N-072001
Nifedipine metabolite CAS No. 34783-31-8 C16H14N2O7 M.W. 346.30 N-073	(E, E, E)-2,4,6-Nonatrienal CAS No. 57018-53-8 C9H12O M.W. 136.20 N-073001
Dehydronifedipine C17H16N2O6 M.W. 344.33 N-074	Nemadectin CAS No. 102130-84-7 C36H52O8 M.W. 612.81 N-074001
Nifedipine metabolite lactone C17H14N2O6 M.W. 342.31 N-075	Netupitant CAS No. 290297-26-6 C30H32F6N4O M.W. 578.61 N-075001
Netupitant-D6 C30H26F6N4OD6 M.W. 584.64 N-075002	Monohydroxy Netupitant CAS No. 910808-12-7 C30H32F6N4O2 M.W. 594.61 N-075003
Monohydroxy Netupitant-D6 C30H26F6N4O2D6 M.W. 600.64 N-075004	Netupitant N-Oxide CAS No. 910808-11-6 C30H32F6N4O2 M.W. 594.61 N-075005
Netupitant N-Oxide-D6 C30H26F6N4O2D6 M.W. 600.64 N-075006	N-Desmethyl Netupitant CAS No. 290296-72-9 C29H30F6N4O M.W. 564.58 N-075007
N-Desmethyl Netupitant-D6 C29H24F6N4OD6 M.W. 570.62 N-075008	Dehydronitroso Nifedipine CAS No. 50428-14-3 C17H16N2O5 M.W. 328.33 N-076
Nifedipine CAS No. 21829-25-4 C17H18N2O6 M.W. 346.34 N-077	Nifedipine Impurity C CAS No. 111304-31-5 C12H11NO5 M.W. 249.23 N-078
Nifedipine HCl CAS No. 60299-11-8 C17H18N2O6.HCl M.W. 346.34 36.46 N-079	4-Hydroxy nimesulide CAS No. 109032-22-6 C13H12N2O6S M.W. 324.31 N-081
Nimesulide Impurity A C13H11N3O7S M.W. 353.31 N-0810	Nimesulide Impurity G C12H9NO4 M.W. 231.21 N-0811
2-Nitrodiphenyl Sulfide C12H9NO2S M.W. 231.28 N-0812	4-Hydroxy nimesulide-d4 CAS No. 109032-22-6 (non-d) C13H8N2O6SD4 M.W. 328.34 N-082
Nimesulide-d5 CAS No. 51803-78-2 C13H7N2O5SD5 M.W. 313.35 N-083	Nimesulide CAS No. 51803-78-2 C13H12N2O5S M.W. 308.31 N-084
Nimesulide Impurity C (2-phenoxyaniline) C12H11NO M.W. 185.23 N-085	Nimesulide Impurity D C12H10N2O3 M.W. 230.23 N-086
Nimesulide Impurity F C14H14N2O7S2 M.W. 386.40 N-087	Nimesulide Impurity B C13H13NO3S M.W. 263.32 N-088
Nimesulide Impurity E C14H15NO5S2 M.W. 341.41 N-089	Nisoldipine CAS No. 63675-72-9 C20H24N2O6 M.W. 388.42 N-091
Nisoldipine-d6 CAS No. 63675-72-9 C20H18N2O6D6 M.W. 394.46 N-092	Dehydro nisoldipine C20H22N2O6 M.W. 386.41 N-093
Dehydro nisoldipine-d6 C20H16N2O6D6 M.W. 392.44 N-094	Desmethyl Nizatidine C11H19N5O2S2 M.W. 317.43 N-111
Nizatidine Impurity A CAS No. 54252-45-8 C4H9N3O2 M.W. 131.14 N-112	Nizatidine EP Impurity F CAS No. 1193434-62-6 C15H25N7O4S3 M.W. 463.60 N-113
Nizatidine-D3 C12H18N5O2S2D3 M.W. 334.48 N-114	17-Desacetyl Norgestimate C21H23NO2D6 M.W. 327.47 N-121
Norgestimate-d3 C23H28D3NO3 M.W. 372.53 N-122	17-Desacetyl Norgestimate-d6 C21H23NO2D6 M.W. 333.51 N-123
Norgestimate-d6 C23D6H25NO3 M.W. 375.53 N-124	Norgestimate CAS No. 35189-28-7 C23H31NO3 M.W. 369.50 N-125
Neridronate Sodium salt C6H16NO7P2 . Na M.W. 276.14 22.99 N-131	Nifuroxazide-d4 CAS No. 965-52-6 (non-d) C12H5N3O5D4 M.W. 279.25 N-141
Nimodipine CAS No. 66085-59-4 C21H26N2O7 M.W. 418.45 N-151	Nimodipine Impurity A CAS No. 85677-93-6 C21H24N2O7 M.W. 416.43 N-152
Nimodipine-d7 CAS No. N/A C21H19N2O7D7 M.W. 425.49 N-153	Norepinephrine-d6 HCl C8H5NO3D6.HCl M.W. 175.22 36.46 N-171
Norepinephrine-d3.HCl Norepinephrine-d3.HCl M.W. 172.20 36.46 N-172	Norepinephrine Tartrate (Noradrenaline Tartrate) C8H11NO3. C4H6O6 M.W. 169.18 150.09 N-173
Norepinephrine Impurity (2-Amino-1-(3,4-dihydroxyphenyl)ethan-1-one HCl) C8H9NO3. HCl M.W. 167.17 36.46 N-174	Nabumetone CAS No. 42924-53-8 C15H16O2 M.W. 228.29 N-181
Nabumetone-d3 CAS No. 42924-53-8 (non-d) C15H13O2D3 M.W. 231.31 N-182	Nebumetone Impurity A CAS No. N/A C18H20O2 M.W. 268.36 N-183
Nebumetone Impurity B CAS No. N/A C19H22N2 M.W. 278.40 N-184	Nebumetone Impurity D CAS No. N/A C19H24N2 HCl M.W. 280.46 36.46 N-185
Nabumetone Impurity E CAS No. 343272-53-7 C27H26O3 M.W. 398.51 N-186	Nebivolol HCl CAS No. 152520-56-4 C22H25F2NO4.HCl M.W. 405.45 36.46 N-201
Nebivolol Impurity C (Mixture of Diastereomers) CAS No. 99199-90-3 C11H11FO2 M.W. 194.21 N-2010	Nebivolol impurity B CAS No. 119365-25-2 C22H25F2NO4 M.W. 405.45 N-2011
Desfluoro Nebivolol CAS No. 129101-34-4 C22H26FNO4 M.W. 387.46 N-2012	Nebivolol-d4 CAS No. 99200-09-6 (non-d) C22H21F2NO4D4 M.W. 409.47 N-202
Nebivolol Impurity A (L-Nebivolol) CAS No. 118457-16-2 C22H25F2NO4 M.W. 405.45 N-203	Nebivolol O-Beta-D-Glucuronide CAS No. N/A C28H33F2NO10 M.W. 581.57 N-204
4-Hydroxy Nebivolol CAS No. 178383-76-1 C22H25F2NO5 M.W. 421.45 N-205	Nebivolol impurity, (1-(3,4-dihydro-2H-chromen-2-yl)-2-(methylamino)ethanol) C12H17NO2 M.W. 207.27 N-206
Nebivolol impurity, (2,2'-iminobis[1-(6-fluoro-3,4-dihydro-2H-chromen-2-yl)ethanone]) C22H21F2NO4 M.W. 401.41 N-207	(2S*,2'R*)-Nebivolol Impurity C CAS No. 793669-26-8 C11H11FO2 M.W. 194.21 N-208
(2S*,2'S*)-Nebivolol Impurity C CAS No. 876514-31-7 C11H11FO2 M.W. 194.21 N-209	Naloxone HCl CAS No. 357-08-4 C19H21NO4.HCl M.W. 327.38 36.46 N-211
Naloxone-d5 HCl CAS No. 1426174-78-8 C19H16NO4D5.HCl M.W. 332.41 36.46 N-212	Naloxone Impurity 1 C19H19NO5 M.W. 341.37 N-213
Naloxone Impurity 2 C19H21NO6 M.W. 359.38 N-214	Naloxone Impurity 3 C19H21NO4 M.W. 327.38 N-215
Nevirapine CAS No. 129618-40-2 C15H14N4O M.W. 266.31 N-221	Nevirapine-d5 CAS No. 129618-40-2(non-d) C15H9N4OD5 M.W. 271.34 N-222
Nevirapine-d4 C15H10N4OD4 M.W. 270.33 N-223	Nevirapine Impurity D CAS No. N/A C30H26N8O2 M.W. 530.59 N-224
Nevirapine Impurity A C14H14N4O M.W. 254.29 N-225	Nevirapine Impurity B C12H10N4O M.W. 226.24 N-226
Naproxen-d3 C14H11O3D3 M.W. 233.28 N-231	Naproxen EP Impurity E CAS No. 26159-35-3 C15H16O3 M.W. 244.29 N-2310
Naproxen EP Impurity F CAS No. 31220-35-6 C16H18O3 M.W. 258.32 N-2311	Naproxen EP Impurity H CAS No. 5111-66-0 C11H10O2 M.W. 174.20 N-2312
Naproxen EP Impurity J CAS No. 21388-17-0 C13H14O M.W. 186.26 N-2313	Naproxen EP Impurity K CAS No. 77301-42-9 C13H14O2 M.W. 202.26 N-2314
Naproxen EP Impurity L CAS No. 3900-45-6 C13H12O2 M.W. 200.24 N-2315	Naproxen EP Impurity M CAS No. 93-04-9 C11H10O M.W. 158.20 N-2316
Naproxen EP Impurity N CAS No. 5111-65-9 C11H9BrO M.W. 237.10 N-2317	Naproxen EP Impurity (2-Carboxy-6-methoxynaphthalene) CAS No. 2471-70-7 C12H10O3 M.W. 202.21 N-2318
Naproxen Impurity O C16H18O4 M.W. 274.32 N-2319	Naproxen Acyl Glucuronide C20H22O9 M.W. 406.39 N-232
R-Naproxen C14H14O3 M.W. 230.27 N-2320	(R)-O-Desmethyl Naproxen CAS No. 123050-98-6 C13H12O3 M.W. 216.24 N-2321
Naproxen EP Impurity A CAS No. 52079-10-4 C13H12O3 M.W. 216.24 N-233	6-Methoxy-2-Naphthylacetic Acid (Naproxen EP Impurity I) CAS No. 23981-47-7 C13H12O3 M.W. 216.24 N-234
Naproxen CAS No. 22204-53-1 C14H14O3 M.W. 230.27 N-235	Naproxen Sodium CAS No. 26159-34-2 C14H13NaO3 M.W. 252.25 N-236
Naproxen EP Impurity B CAS No. 60424-17-1 C14H13ClO3 M.W. 264.71 N-237	Naproxen EP Impurity C CAS No. 27655-95-4 C14H13BrO3 M.W. 309.16 N-238
Naproxen EP Impurity D CAS No. 116883-61-5 C14H13IO3 M.W. 356.16 N-239	Normetanephrine-d3 HCl CAS No. 97-31-4 (non-d) C9H10NO3D3.HCl M.W. 186.23 36.46 N-251
Nadolol-d9 CAS No. 1432056-38-6 C17H18NO4D9 M.W. 318.46 N-261	Nadolol-d5 CAS No. 42200-33-9 (non-d) C17H22NO4D5 M.W. 314.46 N-262
Naratriptan C17H25N3O2S M.W. 335.47 N-271	Naratriptan Impurity F C20H27N4O4S2Cl M.W. 487.04 N-2710
Naratriptan-d3 CAS No. 121679-13-8 (non-d) C17H22N3O2SD3 M.W. 338.49 N-272	Naratriptan-13C-d3 CAS No. 121679-13-8 (non-d) C17H22N3O2SD3 M.W. 339.49 N-273
Naratriptan-d7 CAS No. 121679-13-8 (non-d) C17H18N3O2SD7 M.W. 342.51 N-274	Naratriptan N-oxide C17H25N3O3S M.W. 351.47 N-275
Naratriptan N-Nitroso C17H24N4O3S M.W. 364.47 N-276	Naratriptan Impurity C C31H41N5O2S M.W. 547.77 N-277
Naratriptan Impurity D C17H20N3O2SCl M.W. 365.88 N-278	Naratriptan Impurity E C20H32N4O4S2 M.W. 456.63 N-279
Norgestrel Sulfate Sodium Salt C21H27O5S.Na M.W. 391.51 22.99 N-281	Norgestrel-d6 CAS No. 6533-00-2 (non-D) C9H8N2D4 M.W. 318.49 N-282
6β-Hydroxy Norgestrel CAS No. 55555-97-0 C21H28O3 M.W. 328.46 N-283	3alfa,5-beta-Tetrahydro Levonorgestrel C21H32O2 M.W. 316.49 N-284
Norgestrel CAS No. 6533-00-2 C21H28O2 M.W. 312.46 N-285	17,17-bis(17-hydroxy-18a-homoestr-4-ene-3-one C38H54O4 M.W. 574.85 N-286
Norethindrone Sulfate Sodium Salt C20H25O5S.Na M.W. 377.48 22.99 N-291	Delta 5(10)-Norethindrone Acetate CAS No. 19637-28-6 C22H28O M.W. 340.47 N-2910
Delta-5(6)-Norethindrone Acetate (Impurity C) CAS No. 1175129-26-6 C22H28O3 M.W. 340.47 N-2911	Norethindrone Acetate-3-Isopropyl Ether CAS No. N/A C25H34O3 M.W. 382.55 N-2912
6-Beta-Hydroxy-19-Norandrostenedione CAS No. 5949-49-5 C18H24O3 M.W. 288.39 N-2913	Norethindrone Impurity E CAS No. 66964-58-7 C22H30O4 M.W. 358.48 N-2914
Norethindrone Acetate Impurity D C24H30O4 M.W. 382.50 N-2915	6,10-Dihydroxy Norethindrone Acetate C22H28O5 M.W. 372.47 N-2916
10-beta Hydroxy Norethindrone CAS No. 1236-00-6 C20H26O3 M.W. 314.43 N-2917	6-alpha-Hydroxy Norethindrone Acetate CAS No. 6856-28-6 C22H28O4 M.W. 356.47 N-2918
Norethindrone Related Compound CAS No. 142154-46-9 C28H36O6 M.W. 468.60 N-2919	Norethindrone 17-O-Glucuronide Sodium Salt C26H33O8.Na M.W. 473.55 22.99 N-292
Norethindrone-d6 C20H20O2D6 M.W. 304.47 N-293	Norethindrone C20H26O2 M.W. 298.43 N-294
6, 7-Didehydronorethindrone CAS No. 31528-46-8 C20H24O2 M.W. 296.41 N-295	6-beta-Hydroxynorethindrone (Norethindrone Impurity H) CAS No. 51724-44-8 C20H26O3 M.W. 314.45 N-296
6-beta-Hydroxy Norethindrone Acetate CAS No. 6856-27-5 C22H28O4 M.W. 356.47 N-297	6-Ketonorethindrone Acetate (Norethindrone Impurity G) CAS No. 438244-27-0 C22H26O4 M.W. 354.45 N-298
Norethisterone Enanthate C27H38O3 M.W. 410.60 N-299	Nilotinib CAS No. 641571-10-0 C28H22F3N7O M.W. 529.53 N-311
Nilotinib-d6 CAS No. 641571-10-0 (non-d) C28H16F3N7OD6 M.W. 535.58 N-312	Nilotinib N-Oxide C28H22F3N7O2 M.W. 545.53 N-313
Nilotinib Impurity ((2E)-3-(Dimethylamino)-1-(3-pyridyl)prop-2-en-1-one) CAS No. 123367-26-0 C10H12N2O M.W. 176.22 N-314	Norfloxacin CAS No. 70458-96-7 C16H18FN3O3 M.W. 319.34 N-321
Norfloxacin impurity G C17H18FN3O4 M.W. 347.35 N-3210	Norfloxacin impurity H C19H22FN3O5 M.W. 391.40 N-3211
Norfloxacin impurity I C19H22ClN3O5 M.W. 407.86 N-3212	Norfloxacin impurity J C26H35N5O7 M.W. 529.60 N-3213
Norfloxacin Impurity K C15H16FN3O3 M.W. 305.31 N-3214	Norfloxacin-d8 CAS No. 70458-96-7 (non-d) C16H10FN3O3D8 M.W. 327.34 N-322
Norfloxacin-acyl-β-D-glucuronide C22H26FN3O9 M.W. 495.47 N-323	Norfloxacin impurity A C12H9ClFNO3 M.W. 269.66 N-324
Norfloxacin impurity B C14H16FN3O3 M.W. 293.30 N-325	Norfloxacin impurity C C20H27N5O3 M.W. 385.47 N-326
Norfloxacin impurity D C15H18FN3O M.W. 275.33 N-327	Norfloxacin impurity E C16H18ClN3O3 M.W. 335.79 N-328
Norfloxacin impurity F C16H18ClN3O3 M.W. 335.79 N-329	Naphazoline CAS No. 835-31-4 C14H14N2 M.W. 210.28 N-331
Naphazoline-d4 CAS No. 835-31-4 (non-d) C14H10N2D4 M.W. 214.32 N-332	Naphazoline Impurity B (1-Naphthaleneacetic Acid) CAS No. 86-87-3 C12H10O2 M.W. 186.21 N-333
Naphazoline Impurity D CAS No. 22126-67-6 C14H14N2 M.W. 210.28 N-334	Naphazoline Impurity C (1-Naphthyl Acetonitrile) CAS No. 132-75-2 C12H9N M.W. 167.21 N-335
Naphazoline Impurity A HCl C14H16N2O.HCl M.W. 228.30 36.46 N-336	Nitrofurantoin CAS No. 67-20-9 C8H6N4O5 M.W. 238.16 N-341
Nitrofurantoin-13C3 CAS No. 67-20-9 (non-labeled) C8H6N4O5 M.W. 241.13 N-342	Nitrofurantoin Impurity CAS No. N/A C7H6N3O5 Na M.W. 212.14 22.99 N-343
Nitrofurantoin related compound A CAS No. 63981-22-6 C8H8N4O6 M.W. 256.17 N-344	Nigericin C40H68O11 M.W. 724.98 N-351
Nortriptyline HCl C19H21N.HCl M.W. 263.39 36.46 N-361	Nortriptyline-d3 HCl CAS No. 72-69-5 (non-d) C19H18ND3.HCl M.W. 266.40 36.46 N-362
Nortriptyline Impurity E C20H21N . HCl M.W. 275.40 36.46 N-363	Nortriptyline Impurity F C20H23N . HCl M.W. 277.41 36.46 N-364
10-Hydroxy Nortriptyline (Mixture of Cis and Trans Isomers) C19H21NO M.W. 279.39 N-365	Nefopam Hydrochloride CAS No. 23327-57-3 C17H19NO.HCl M.W. 289.81 N-371
N-Hydroxymethyl Nefopam N-Oxide CAS No. N/A C17H19NO3 M.W. 285.35 N-3710	Nefopam-d3 N-Oxide CAS No. N/A C17H16NO2D3 M.W. 272.36 N-3711
Nefopam N-Glucuronide (Mixture of Diastereomers) CAS No. N/A C23H27NO7 M.W. 429.47 N-3712	(lR,5R)/(lS,5S)-Nefopam N-Oxide CAS No. 66091-32-5 C17H19NO2 M.W. 269.35 N-372
Nefopam-d3 C17H16NOD3 M.W. 256.37 N-373	N-Desmethyl Nefopam Hydrochloride C16H18NO.HCl M.W. 276.79 N-374
N-Desmethyl Nefopam-d4 HCl C16H13NOD4.HCl M.W. 243.34 36.46 N-375	Nefopam-d4 HCl C17H15NOD4.HCl M.W. 257.37 36.46 N-376
(lR,5R)/(lS,5S)-Nefopam-d4 N-Oxide C17H15NO2D4 M.W. 273.37 N-377	Nefopam-d4 N-Oxide (Mixture of (lR,5S)/(lS,5R) and (lR,5R)/(lS,5S) Diastereomers) C17H15NO2D4 M.W. 273.37 N-378
(lR,5S)/(lS,5R)-Nefopam N-Oxide C17H19NO2 M.W. 269.35 N-379	Nafcillin-d5 C21H17N2O5SD5 M.W. 419.51 N-381
Nilutamide-d6 CAS No. NA C12H4F3N3O4D6 M.W. 323.26 N-401	Nilutamide CAS No. 63612-50-0 C12H10F3N3O4 M.W. 317.23 N-402
Nepafenac CAS No. N/A C15H14N2O2 M.W. 254.29 N-411	Nepafenac-d5 CAS No. N/A C15H9N2O2D5 M.W. 259.32 N-412
Nepafenac Impurity D CAS No. 78281-71-7 C15H13ClN2O2 M.W. 288.74 N-413	Neochlorogenic Acid C16H18O9 M.W. 354.32 N-421
Naftopidil CAS No. 57149-97-2 C24H28N2O3 M.W. 392.50 N-431	Naftopidil-d8 CAS No. N/A C24H20N2O3D8 M.W. 400.55 N-432
Naftopidil-d5 CAS No. N/A C24H23N2O3D5 M.W. 397.53 N-433	N’-Nitrosopentyl-3-(Picolyl) Amine CAS No. 124521-15-9 C11H17N3O M.W. 207.28 N-441
Norethisterone Acetate Impurity G C22H26O4 M.W. 354.45 N-451	Norethisterone Acetate Impurity F C22H28O4 M.W. 356.47 N-452
Nifurtimox CAS No. 23256-30-6 C10H13N3O5S M.W. 287.30 N-461	Nifurtimox-d4 CAS No. N/A C10H9N3O5SD4 M.W. 291.32 N-462
Nifuratel CAS No. 4936-47-4 C10H11N3O5S M.W. 285.28 N-471	Nitrofurfural Diacetate (Nifuratel Impurity A) CAS No. 92-55-7 C9H9NO7 M.W. 243.17 N-472
Nifuratel Impurity B (5-Nitrofuraldazine) CAS No. 736-53-8 C10H6N4O6 M.W. 278.18 N-473	Nicardipine CAS No. 55985-32-5 C26H29N3O6 M.W. 479.54 N-481
Nicardipine diisobutyl impurity C23H30N2O6 M.W. 430.51 N-4810	Nicardipine oxidation impurity C20H22N2O6 M.W. 386.41 N-4811
Nicardipine Related Compound 1 CAS No. N/A C17H16N2O6 M.W. 344.33 N-482	Nicardipine Related Compound 2 CAS No. 64603-72-1 C16H14N2O6 M.W. 330.30 N-483
Nicardipine Related Compound 3 CAS No. N/A C15H16N2O4 M.W. 288,31 N-484	Nicardipine Related Compound 4 CAS No. 123973-71-7 C25H27N3O6 HCl M.W. 465.51 36.46 N-485
Dehydro Nicardipine HCl CAS No. 1216817-27-4 C26H27N3O6. HCl M.W. 477.52 36.46 N-486	Dehydro Nicardipine (Freebase) CAS No. 59875-58-0 C26H27N3O6 M.W. 477.52 N-487
Nicardipine Methyl Amino Derivative CAS No. 58368-87-9 C19H23N3O6 M.W. 389.41 N-488	Nicardipine Carboxylic Acid Derivative CAS No. 74936-72-4 C16H16N2O6 M.W. 332.32 N-489
Neostigmine CAS No. 59-99-4 C12H19N2O2 CH3O4S M.W. 223.30 111.10 N-491	Nor Neostigmine CAS No. 16088-19-0 C11H16N2O2 M.W. 208.26 N-492
Nor Neostigmine-d6 CAS No. N/A C11H10N2O2D6 M.W. 214.30 N-493	2,2’-Bisnalmefene CAS No. 176220-84-1 C42H48N2O6 M.W. 767.86 N-501
Nalmefene Impurity CAS No. 91598-83-3 C21H23NO3 M.W. 337.42 N-502	Nalmefene HCl CAS No. 58895-64-0 339.44 36.46 M.W. C21H25NO3 . HCl N-503
Norethynodrel CAS No. 68-23-5 C20H26O2 M.W. 298.43 N-511	Nelarabine CAS No. 121032-29-9 C11H15N5O5 M.W. 297.27 N-521
Nifedipine CAS No. 21829-25-4 C17H18N2O6 M.W. 346.34 PF-0026