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Pharmaceutical Impurity Reference Standards
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- Chemical Name:
- Bosutinib Impurity 8
- Chemical Name:
- Ticagrelor Impurity 13
- Chemical Name:
- Ticagrelor Impurity 66
- Chemical Name:
- Canagliflozin Impurity 8
- Chemical Name:
- Canagliflozin Impurity 16
- Chemical Name:
- Oseltamivir Impurity 12
- Chemical Name:
- Oseltamivir Impurity 32
- Chemical Name:
- Riociguat IMpurtiy E
- Structure:
- Chemical Name:
- Meropenem impurity diastereomer 2
- CAS:
- 96035-15-3
- MF:
- C15H19N3O5S
- Chemical Name:
- Clindamycin Impurity A
- Chemical Name:
- Tigecycline Impurity F
- Chemical Name:
- Fasudil iMpurity A
- Chemical Name:
- Cefminox Impurity C
- Chemical Name:
- Cefazoline Impurity A
- Chemical Name:
- Rifaximin impurity A
- Structure:
- Chemical Name:
- 4,5,6,7-Tetrahydro-thieno[3,2-c]pyridin-2-ol 2-acetate
- CAS:
- 1151904-85-6
- MF:
- C9H11NO2S
- Structure:
- Chemical Name:
- ethyl (R)-9,10-difluoro-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylate
- CAS:
- 110548-06-6
- MF:
- C15H13F2NO4
- Structure:
- Chemical Name:
- methyl (Z)-3-(((4-(2-(4-(2-((4-((((Z)-6-(methoxymethyl)-2-oxoindolin-3-ylidene)(phenyl)methyl)amino)phenyl)(methyl)amino)-2-oxoethyl)piperazin-1-yl)-N-methylacetamido)phenyl)amino)(phenyl)methylene)-2-oxoindoline-6-carboxylate
- CAS:
- 2097505-01-4
- MF:
- C56H54N8O7
- Structure:
- Chemical Name:
- Roxithromycin EP Impurity J
- CAS:
- 134834-12-1
- MF:
- C40H73ClN2O14
- Structure:
- Chemical Name:
- Venlafaxine D6
- CAS:
- 940297-06-3
- MF:
- C17H27NO2
- Chemical Name:
- Levosimendan Impurity 3
- Chemical Name:
- Sofosbuvir Impurity29
- Chemical Name:
- Acarbose Impurity A
- Structure:
- Chemical Name:
- Levosimendan Impurity 1
- CAS:
- 1643439-59-1
- MF:
- C22H23N7O2
- Chemical Name:
- Atomoxetine EP Impurity F
- Chemical Name:
- Quetiapine EP Impurity Q
- Chemical Name:
- Cefoxitin Impurity
- Chemical Name:
- Acemetacin Impurity
- Structure:
- Chemical Name:
- ethyl (S)-6,7,8-trifluoro-1-(1-hydroxypropan-2-yl)-4-oxo-1,4-dihydroquinoline-3-carboxylate
- CAS:
- 110548-03-3
- MF:
- C15H14F3NO4
- Structure:
- Chemical Name:
- ethyl (E)-2-(2-(4-methoxyphenyl)hydrazono)propanoate
- CAS:
- 4792-57-8
- MF:
- C12H16N2O3
- Structure:
- Chemical Name:
- ACT 373898
- CAS:
- 1433875-14-9
- MF:
- C15H17BrN4O5S
- Structure:
- Chemical Name:
- Reaxys ID: 3623864
- CAS:
- 129385-61-1
- MF:
- C17H10ClNO3
- Chemical Name:
- Olaparib Impurity D
- Structure:
- Chemical Name:
- 1-methylpyrrolidin-3-yl 2-(cyclopentyloxy)-2-phenylacetate
- MF:
- C18H25NO3
- Chemical Name:
- Cabozantinib impurity A
- Structure:
- Chemical Name:
- Loratadine Impurity 2
- MF:
- C22H23ClN2O2
- Structure:
- Chemical Name:
- Metoprolol Impurity 1
- MF:
- C15H25NO3
- Chemical Name:
- Pitavastatin Impurity 1
- Chemical Name:
- Trifluridine Impurity 3
- Chemical Name:
- Vonoprazan Impurity 1
- Chemical Name:
- Vonoprazan Impurity 4
- Chemical Name:
- Cinacalcet impurity K
- Structure:
- Chemical Name:
- Valsartan Impurity 13
- MF:
- C24H29N5O3
- Structure:
- Chemical Name:
- Valsartan Impurity 27
- MF:
- C24H29N5O3
- Chemical Name:
- Etoricoxib Impurity 6
- Chemical Name:
- Ezetimibe impurity 3
- Chemical Name:
- Apremilast Impurity C
- Structure:
- Chemical Name:
- bis(1-benzylpiperidin-3-yl) 2,6-dimethyl-4-(3-nitrophenyl)-1,4-dihydropyridine-3,5-dicarboxylate
- CAS:
- 166808-97-5
- MF:
- C16H16N2O6
- Structure:
- Chemical Name:
- Ticagrelor Imp.J
- CAS:
- 2248538-63-6
- MF:
- C14H20ClN5O4S
- Structure:
- Chemical Name:
- Vortioxetine Imp.E
- CAS:
- 508233-77-0
- MF:
- C18H22N2S
- Structure:
- Chemical Name:
- (3R,4S)-1-(4-fluorophenyl)-3-((S)-3-hydroxy-3-(p-tolyl)propyl)-4-(4-hydroxyphenyl)azetidin-2-one
- CAS:
- 1700622-07-6
- MF:
- C25H24FNO3
- Chemical Name:
- Topiroxostat Impurity 1
- Chemical Name:
- Oxcarbazepine Impurity3
- Chemical Name:
- Mosapride IMP
- Structure:
- Chemical Name:
- 4-Ethoxy Paroxetine
- CAS:
- 606968-04-1
- MF:
- C21H25NO4
- Structure:
- Chemical Name:
- Methylene-Bis Paroxetine
- CAS:
- 1292846-10-6
- MF:
- C39H40F2N2O6
- Structure:
- Chemical Name:
- Trelagliptin Impurity X
- CAS:
- 1938080-44-4
- MF:
- C18H22FN5O3
- Structure:
- Chemical Name:
- Afatinib Impurity 19
- CAS:
- 1245555-42-3
- MF:
- C21H21ClFN5O2
- Chemical Name:
- Cefoxitin Sodium impurity
- Structure:
- Chemical Name:
- (1S,2S,3S)-Aprepitant
- CAS:
- 1242175-40-1
- MF:
- C23H21F7N4O3
- Structure:
- Chemical Name:
- 2-{[(methoxycarbonylmethyl)(toluene-4-sulfonyl)amino]methyl}-4-phenoxybenzoic acid methyl ester
- CAS:
- 1455091-06-1
- MF:
- C25H25NO7S
- Structure:
- Chemical Name:
- 2-Desisopropyl-2-phenyl Repaglinide
- CAS:
- 107362-12-9
- MF:
- C30H34N2O4
- Structure:
- Chemical Name:
- 2-(3-CHLOROPHENYL)-2-CYANO-1-(3-PYRIDINYL)-1-ETHANONE
- CAS:
- 114444-10-9
- MF:
- C14H9ClN2O
- Structure:
- Chemical Name:
- BENZENE ACETIC ACID, 4-[(2-CARBOXYPHENYL)METHOXY]
- CAS:
- 55453-89-9
- MF:
- C16H14O5
- Chemical Name:
- Ipragliflozin Impurity 5
- Structure:
- Chemical Name:
- Alectinib Impurity
- CAS:
- 1256584-83-4
- MF:
- C26H25N3O2
- Structure:
- Chemical Name:
- Afatinib impurity 11/Des-(4-dimethylamino-2-en-1-oxo)butylamino 6-(5-Hydroxy-pyrrolidin-2-on-1-yl) Afatinib
- CAS:
- 2223677-58-3
- MF:
- C22H20ClFN4O4
- Structure:
- Chemical Name:
- Ibrutinib Impurity 18
- CAS:
- 1881246-01-0
- MF:
- C16H12N4O
- Structure:
- Chemical Name:
- Vitamin B1 Impurity 6
- MF:
- C12H17ClN4OS
- Structure:
- Chemical Name:
- 5,5'-((tert-butylazanediyl)bis(1-hydroxyethane-2,1-diyl))bis(benzene- 1,3-diol)
- MF:
- C20H27NO6
- Structure:
- Chemical Name:
- 2,2'-difluoro-3,3'-dimethoxy-1,1'-biphenyl
- CAS:
- 2316733-82-9
- MF:
- C14H12F2O2
- Chemical Name:
- nicergoline impurity N
- Structure:
- Chemical Name:
- Clopidogrel Impurity 50
- MF:
- C15H14ClNO2S
- Chemical Name:
- PraMipexole IMpurity Z1/Z2
- Structure:
- Chemical Name:
- trans-Ibuprofen Impurity G
- MF:
- C13H18O2
- Chemical Name:
- Vonoprazan Impurity 15
- Chemical Name:
- Esomeprazole Impurity 6
- Chemical Name:
- Erlotinib Impurity 22
- Chemical Name:
- Teneligliptin Impurity 1
- Chemical Name:
- Erlotinib Hydrochloride iMpurity 51
- Structure:
- Chemical Name:
- (S)-10-(1-aminocyclopropyl)-3-methyl-7-oxo-2,3-dihydro-7H-[1,4]oxazino[2,3,4-ij]quinoline-6-carboxylic acid formic acid
- MF:
- C17H18N2O6
- Structure:
- Chemical Name:
- 1H-Imidazole-1-ethanol, α-(chloromethyl)-5-nitro-
- CAS:
- 116989-52-7
- MF:
- C6H8ClN3O3
- Structure:
- Chemical Name:
- 4-Pyridinemethanol, 3-hydroxy-2,5-dimethyl-, hydrochloride (1:1)
- CAS:
- 875-26-3
- MF:
- C8H11NO2.ClH
- Chemical Name:
- Afatinib ImpurityOYQ
- Structure:
- Chemical Name:
- Androst-3-en-17-one,(5)
- CAS:
- 14935-81-0
- MF:
- C19H28O
- Chemical Name:
- Landiolol impurity X
- Chemical Name:
- 2-((4-(3-aminopiperidin-1-yl)
- Chemical Name:
- Rosuvastatin Impurity 111
- Structure:
- Chemical Name:
- Metoprolol IMpurity V
- MF:
- C15H25NO3
- Chemical Name:
- Teneligliptin Impurity 12
- Chemical Name:
- Nicergoline EP Impurity E
- Structure:
- Chemical Name:
- Hexanoic acid, 3-[(hydroxyamino)methyl]-5-methyl-, (3S)-
- CAS:
- 2349671-57-2
- MF:
- C8H17NO3
- Structure:
- Chemical Name:
- α-D-Glucopyranoside, methyl 1-C-[4-chloro-3-[(4-ethoxyphenyl)methyl]phenyl]-, 2,3,4,6-tetraacetate
- CAS:
- 714269-58-6
- MF:
- C30H35ClO11
- Chemical Name:
- Caspofungin Impurity H
- Structure:
- Chemical Name:
- (trans)-3-((benzo[d][1,3]dioxol-5-yloxy)methyl)-4-(4-methoxyphenyl)-1-methylpiperidine hydrochloride
- CAS:
- 127017-41-8
- MF:
- C21H26ClNO4
- Structure:
- Chemical Name:
- Ezetimibe Impurity 76
- CAS:
- 1185883-46-8
- MF:
- C39H44F2N2O5Si
- Structure:
- Chemical Name:
- Cefmetazole impurity 9/(6R-cis)-7-[[[(Cyanomethyl)thio]acetyl]amino]-3-(hydroxymethyl)-7-methoxy-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylic Acid
- CAS:
- 70953-19-4
- MF:
- C13H15N3O6S2
- Structure:
- Chemical Name:
- ((cis)-4-(4-fluorophenyl)-1-methylpiperidin-3-yl)methyl 4-methylbenzenesulfonate
- MF:
- C20H24FNO3S
- Chemical Name:
- Elagolix Sodium impurity1
- Structure:
- Chemical Name:
- Ibrutinib Impurity 37
- CAS:
- 330793-49-2
- MF:
- C10H13IN6