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Pharmaceutical Impurity Reference Standards
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- Structure:
- Chemical Name:Milnacipran IMpurity
- CAS:810696-16-3
- MF:C11H11NO
- Structure:
- Chemical Name:Terbutaline IMpurity 8
- CAS:28924-20-1
- MF:C26H30BrNO3
- Structure:
- Chemical Name:Etoricoxib IMpurity
- CAS:1350206-14-2
- MF:C18H16N2O2S
- Structure:
- Chemical Name:1-(5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl)-N- ((5-(2-fluorophenyl)-1-(pyridin-3-ylsulfonyl)-1H-pyrrol-3-yl) methyl)-N-methylmethanamine hydrochloride
- CAS:
- MF:C33H28ClF2N5O4S2
- Structure:
- Chemical Name:Labetalol EP impurity D
- CAS:32780-65-7
- MF:C9H13ClN2O3
- Structure:
- Chemical Name:ethyl (4,6-diamino-2-(1-(2-fluorobenzyl)-1H-pyrazolo[3,4-b] pyridin-3-yl)pyrimidin-5-yl)(methyl)carbamate
- CAS:625115-53-9
- MF:C21H21FN8O2
- Structure:
- Chemical Name:2-[(4-CHLORO-2-NITROPHENYL)AMINO]-BENZOIC ACID
- CAS:60091-87-4
- MF:C13H9ClN2O4
- Chemical Name:Fulvestrant impurity I
- CAS:
- MF:
- Structure:
- Chemical Name:Emtricitabine
- CAS:61548-81-0
- MF:C11H22O3S
- Structure:
- Chemical Name:tert-butyl 4-(3-nitropyridin-4-yl)piperazine-1-carboxylate
- CAS:608142-93-4
- MF:C14H20N4O4
- Structure:
- Chemical Name:4-BROMO-1-(TOLUENE-4-SULFONYL)-1,2,3,4-TETRAHYDROBENZO[B]AZEPIN-5-ONE
- CAS:29489-04-1
- MF:C17H16BrNO3S
- Structure:
- Chemical Name:FEXOFENADINE, METHYL ESTER
- CAS:154825-96-4
- MF:C33H41NO4
- Chemical Name:Bendamustine Related Impurity 21
- CAS:
- MF:
- Chemical Name:Bendamustine Related Impurity 8
- CAS:
- MF:
- Chemical Name:Bortezomib Impurity 33
- CAS:
- MF:
- Chemical Name:Moxifloxacin Impurity 31
- CAS:
- MF:
- Chemical Name:Pitavastatin Impurity 7
- CAS:
- MF:
- Structure:
- Chemical Name:Prednisolone Impurity A
- CAS:77017-17-5
- MF:C21H26O5
- Chemical Name:Tegafur Impurity BCB
- CAS:
- MF:
- Structure:
- Chemical Name:((2R,3R,4R)-3-(benzoyloxy)-4-chloro-4-Methyl-5-oxotetrahydrofuran-2-yl)Methyl benzoate
- CAS:1496551-65-5
- MF:C20H17ClO6
- Structure:
- Chemical Name:2-(4-fluorophenyl)-5-(2-Methylbenzyl)thiophene
- CAS:2005454-69-1
- MF:C18H15FS
- Structure:
- Chemical Name:AcetaMide, N-[[(5S)-2-oxo-3-[4-(3-oxo-4-Morpholinyl)phenyl]-5-oxazolidinyl]Methyl]-
- CAS:1429334-00-8
- MF:C16H19N3O5
- Structure:
- Chemical Name:PSI 7411
- CAS:1015073-43-4
- MF:C10H14FN2O8P
- Structure:
- Chemical Name:5-[[4-(Hydroxymethyl)phenoxy]methyl]-3-(1-methylethyl)-2-oxazolidinone
- CAS:1071765-44-0
- MF:C14H19NO4
- Structure:
- Chemical Name:(1S)-1,5-Anhydro-1-C-[3-[[5-(4-fluorophenyl)-2-thienyl]methyl]-4-methylphenyl]-D-glucitol 2,3,4,6-tetrakis(2,2-dimethylpropanoate)
- CAS:1283129-18-9
- MF:C44H57FO9S
- Structure:
- Chemical Name:[1,4'-Bipiperidine]-1'-carboxylic acid
- CAS:1026078-50-1
- MF:C11H20N2O2
- Structure:
- Chemical Name:4-[[3-(1-Methylethyl)-2-oxo-5-oxazolidinyl]methoxy]benzaldehyde
- CAS:1173203-26-3
- MF:C14H17NO4
- Structure:
- Chemical Name:Ibrutinib Impurity 9
- CAS:2068022-09-1
- MF:C25H21D5N6O4
- Structure:
- Chemical Name:4-CHLORO-3-HYDROXY BUTYRONITRILE
- CAS:105-33-9
- MF:C4H6ClNO
- Structure:
- Chemical Name:(Z)-2-propylhept-2-enal
- CAS:95667-14-4
- MF:C10H18O
- Structure:
- Chemical Name:(R)-3-AMINO-4-(2,4-DIFLUOROPHENYL)-BUTYRIC ACID-HCL
- CAS:1335470-16-0
- MF:C10H11F2NO2
- Structure:
- Chemical Name:(R)-2-((3-methyl-6-(3-((1-methyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)amino)piperidin-1-yl)-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)methyl)benzonitrile
- CAS:
- MF:C23H25N7O4
- Structure:
- Chemical Name:(R)-2-((3-methyl-6-(3-((1-methyl-2,6-dioxo-1,2,3,6-tetrahydropyrimidin-4-yl)amino)piperidin-1-yl)-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)methyl)benzonitrile
- CAS:
- MF:C23H25N7O4
- Structure:
- Chemical Name:4,4'-dichloro-3,3'-bis(4-ethoxybenzyl)-1,1'-biphenyl
- CAS:2176485-21-3
- MF:C30H28Cl2O2
- Structure:
- Chemical Name:N-(2,6-dimethylphenyl)-2-((2,6-dimethylphenyl)amino)acetamide
- CAS:294852-91-8
- MF:C18H22N2O
- Structure:
- Chemical Name:N6-propyl-3a,4,5,6,7,7a-hexahydrobenzo[d]thiazole-2,6-diamine
- CAS:1052691-22-1
- MF:C10H19N3S
- Structure:
- Chemical Name:3-pentylisoindolin-1-one
- CAS:691863-84-0
- MF:C13H17NO
- Structure:
- Chemical Name:(1R,3R)-2-acetyl-1-(benzo[d][1,3]dioxol-5-yl)-2,3,4,9-tetrahydro- 1H-pyrido[3,4-b]indole-3-carboxylate
- CAS:1598416-05-7
- MF:C22H20N2O5
- Structure:
- Chemical Name:Rivaroxaban Impurity 61
- CAS:1643354-27-1
- MF:C32H30N4O8
- Chemical Name:Rivaroxaban Impurity 74
- CAS:
- MF:
- Chemical Name:Sitafloxacin Impurity 6
- CAS:
- MF:
- Chemical Name:Ticagrelor Related Compound 75
- CAS:
- MF:
- Structure:
- Chemical Name:Ticagrelor Related Compound 93
- CAS:2207528-55-8
- MF:C23H28F2N6O4S
- Structure:
- Chemical Name:Vonoprazan Impurity 24
- CAS:1807642-41-6
- MF:C16H14FN3O2S
- Chemical Name:Vonoprazan Impurity 35
- CAS:
- MF:
- Chemical Name:Adefovir Impurity 2
- CAS:
- MF:
- Chemical Name:Avibactam Impurity R
- CAS:
- MF:
- Chemical Name:Blonanserin Impurity L
- CAS:
- MF:
- Chemical Name:Cefazolin USP Impurity E
- CAS:
- MF:
- Chemical Name:Exemestane Impurity 5
- CAS:
- MF:
- Structure:
- Chemical Name:Medetomidine Impurity 28
- CAS:2240179-64-8
- MF:C23H28N2
- Structure:
- Chemical Name:Peramivir Impurity 4
- CAS:229615-12-7
- MF:C15H28N4O4
- Chemical Name:Peramivir Impurity 9
- CAS:
- MF:
- Chemical Name:PidotimodImpurity T
- CAS:
- MF:
- Chemical Name:EMpagliflozin iMpurity 9
- CAS:
- MF:
- Structure:
- Chemical Name:EMpagliflozin iMpurity 14
- CAS:2137418-13-2
- MF:C23H27ClO8
- Structure:
- Chemical Name:570403-04-2
- CAS:570403-04-2
- MF:C23H24Cl3N5OS2
- Chemical Name:ibrutinib iMpurity A
- CAS:
- MF:
- Chemical Name:Sunitinib iMpurity E
- CAS:
- MF:
- Structure:
- Chemical Name:Rosuvastatin EP impurity H
- CAS:1335110-44-5
- MF:C22H28FN3O6S
- Chemical Name:Saxagliptin Impurity 4 (Deoxy Saxagliptin)
- CAS:
- MF:
- Structure:
- Chemical Name:Betamethasone EP Impurity D
- CAS:52619-05-3
- MF:C25H33FO7
- Structure:
- Chemical Name:Dihydropenicillin F Potassium Salt
- CAS:31447-86-6
- MF:C14H23KN2O4S
- Structure:
- Chemical Name:Etoricoxib Impurity 7
- CAS:646459-39-4
- MF:C20H21N3O2S
- Structure:
- Chemical Name:Mupirocin Impurity D
- CAS:
- MF:C26H44O9
- Structure:
- Chemical Name:Pazopanib Related Compound 2
- CAS:1226500-02-2
- MF:C26H23ClN10
- Structure:
- Chemical Name:Phenylephrine EP Impurity D
- CAS:1367567-95-0
- MF:C16H19NO2
- Structure:
- Chemical Name:Verapamil Impurity O
- CAS:959011-16-6
- MF:C27H38N2O4
- Structure:
- Chemical Name:1,1′-[(1-Methylethyl)imino]bis[3-[4-(2-methoxyethyl)phenoxy]-2-propanol hydrochloride
- CAS:1486464-40-7
- MF:C27H42ClNO6
- Structure:
- Chemical Name:4'-FLUOROCYCLOPROPANECARBOXANILIDE
- CAS:2354-89-4
- MF:C10H10FNO
- Structure:
- Chemical Name:methyl(E)-4-(methylamino)but-2-enoate
- CAS:915788-22-6
- MF:C6H11NO2
- Structure:
- Chemical Name:methyl(E)-4-(methylamino)but-2-enoate
- CAS:915788-22-6
- MF:C6H11NO2
- Chemical Name:Levomilnacipran impurity
- CAS:
- MF:
- Chemical Name:Sofosbuvir IMpurity 4
- CAS:
- MF:
- Structure:
- Chemical Name:1,3-bis(4-isobutylphenyl)butan-1-one
- CAS:
- MF:C24H32O
- Structure:
- Chemical Name:6-isobutyl-3-methyl-2,3-dihydro-1H-inden-1-one
- CAS:1340024-54-5
- MF:C14H18O
- Structure:
- Chemical Name:Edoxaban impurity 1
- CAS:41374-72-5
- MF:C9H10N2O3
- Chemical Name:Canagliflozin Impurity 18
- CAS:
- MF:
- Chemical Name:Canagliflozin Impurity 23
- CAS:
- MF:
- Chemical Name:Carfilzomib Impurity 4
- CAS:
- MF:
- Structure:
- Chemical Name:Lenvatinib Impurity 2
- CAS:2380197-90-8
- MF:C28H22ClN5O5
- Structure:
- Chemical Name:FeBuxostat Impurity 33
- CAS:100118-38-5
- MF:C12H14O5
- Structure:
- Chemical Name:(S)-3-(4-phenoxyphenyl)-1-(piperidin-3-yl)
- CAS:1642630-12-3
- MF:C22H22N6O
- Structure:
- Chemical Name:Latamoxef Impurity 1
- CAS:75007-70-4
- MF:C19H20N6O7S
- Structure:
- Chemical Name:Amlodipine iMpurity K
- CAS:1809326-44-0
- MF:C18H21ClN2O5
- Structure:
- Chemical Name:Cabozantinib impurity 4
- CAS:95932-39-1
- MF:C11H15NO3
- Structure:
- Chemical Name:Rosuvastatin EP Impurity C
- CAS:1620823-61-1
- MF:C22H27FN3NaO6S
- Structure:
- Chemical Name:6,7-bis(2-methoxyethoxy)-N-phenylquinazolin-4-amine
- CAS:1145671-52-8
- MF:C20H23N3O4
- Structure:
- Chemical Name:(3R,4R,5S)-ethyl 4-acetamido-5-amino-3-isopropoxycyclohex-1-enecarboxylate
- CAS:1052063-36-1
- MF:C14H24N2O4
- Structure:
- Chemical Name:4-(N-(tert-butyl)acetamido)-5-(diallylamino)-3-(pentan-3-yloxy)cyclohex-1-enecarboxylate
- CAS:941296-96-4
- MF:C16H28N2O4
- Structure:
- Chemical Name:(2R,5S)-5-(4-amino-5-fluoro-2-oxopyrimidin-1(2H)-yl)-1,3-oxathiolane-2-carboxylic acid
- CAS:
- MF:C8H8FN3O4S
- Structure:
- Chemical Name:Amlodipine Impurity 10
- CAS:2170104-51-3
- MF:C26H31ClN2O8S
- Structure:
- Chemical Name:Apixaban Impurity 15
- CAS:1466571-07-2
- MF:C21H20N4O4
- Structure:
- Chemical Name:Clopidogrel Impurity 8
- CAS:
- MF:C15H14ClNO2S
- Structure:
- Chemical Name:Acyclovir Impurity I: 7,9'-[Ethylene-bis(oxymethylene)] Bis (2-amino-1-9-dihydro-6H-purin-6-one)
- CAS:1797832-75-7
- MF:C14H16N10O4
- Structure:
- Chemical Name:Nilotinib genotoxic impurity 3
- CAS:915711-42-1
- MF:C19H17F3N4O
- Structure:
- Chemical Name:Dapagliflozin Open Ring
- CAS:2100872-88-4
- MF:C21H27ClO7
- Chemical Name:Rortezide impurity
- CAS:
- MF:
- Chemical Name:Aprepitant Impurity 2
- CAS:
- MF:
- Chemical Name:Cabozantinib Impurity A
- CAS:
- MF: