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Pharmaceutical Impurity Reference Standards

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Chemical Name:
AvatrombopagImpurity42
Chemical Name:
(R)-4-(((R)-1-carboxy-2-((3-hydroxypropyl)thio)ethyl)amino)-3-hydroxy-4-oxobutanoic acid
Structure:
Chemical Name:
Hydrazinecarboxamide, 2-(6-hydroxy-1-methyl-1H-indol-5-yl)-
CAS:
70063-07-9
MF:
C10H12N4O2
Structure:
Chemical Name:
1H-Pyrrole-3-carboxaldehyde, 1-[(5-chloro-3-pyridinyl)sulfonyl]-5-(2-fluorophenyl)-
CAS:
2514742-82-4
MF:
C16H10ClFN2O3S
Chemical Name:
Crisaborole Impurity 20
Chemical Name:
(Z)-N-(4-((3-chloro-4-fluorophenyl)amino)-7-methoxyquinazolin-6-yl)-4-(piperidin-1-yl)but-2-enamide
Chemical Name:
(1S,3R,5S,6R)-6-hydroxy-8-methyl-8-azabicyclo[3.2.1]octan-3-yl 2-hydroxy-2,2-di(thiophen-2-yl)acetate
Chemical Name:
Nicergoline EP Impurity IJ
Chemical Name:
Fulvestrant impurityABCDEFGHJKL
Structure:
Chemical Name:
2-((6S,8S,9S,10S,11S,13S,14S,17R)-11,17-dihydroxy-6,10,13-trimethyl-3-oxohexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate
CAS:
114696-04-7
MF:
C24H36O6
Chemical Name:
Isavuconazole Impurity 49
Chemical Name:
(R)-5-(2-((5,6-diethyl-2,3-dihydro-1H-inden-2-yl)amino)-1-methoxyethyl)-8-hydroxyquinolin-2(1H)-one
Chemical Name:
Avatrombopag Impurity 51
Chemical Name:
Tafluprost Impurity 18
Chemical Name:
Rosuvastatin Impurity 161
Chemical Name:
Rosuvastatin Impurity 155
Chemical Name:
Rosuvastatin Impurity 146
Chemical Name:
Rosuvastatin Impurity 126
Structure:
Chemical Name:
1-[2-cyano-1-(cyanoimino)ethyl]piperidine
CAS:
56488-00-7
MF:
C9H12N4
Chemical Name:
Oseltamivir Impurity 99
Chemical Name:
Oseltamivir Impurity 92
Chemical Name:
Oseltamivir Impurity 76
Chemical Name:
Regorafenib Impurity ABCDEFGHJKL
Chemical Name:
(S)-2-((1r,3R,5R,7S)-3-hydroxyadamantan-1-yl)-1-iminohexahydro pyrrolo[1,2-a]pyrazin-4(1H)-one hydrochloride
Structure:
Chemical Name:
Benzonitrile, 4-[2-[(1R,2S)-2-(2,5-difluorophenyl)-2-hydroxy-1-methyl-3-(1H-1,2,4-triazol-1-yl)propyl]-4-thiazolyl]-, rel-
CAS:
1797905-83-9
MF:
C22H17F2N5OS
Structure:
Chemical Name:
3,4,5-Piperidinetriol, 1-(2-hydroxyethyl)-2-(hydroxymethyl)-, (2S,3S,4R,5S)-
CAS:
1550201-56-3
MF:
C8H17NO5
Chemical Name:
1-(2,4-difluoro-6-hydroxyphenyl)prop-2-en-1-one
Structure:
Chemical Name:
1-(4-fluorophenyl)-1,3-dihydro-1-[3-(methylamino)propyl]isobenzofuran-5-carbonitrile
CAS:
62498-67-3
MF:
C19H19FN2O
Structure:
Chemical Name:
17,21-Dihydroxy-16α-methylpregna-1,4,9(11)-triene-3,20-dione 21-Acetate
CAS:
10106-41-9
MF:
C24H30O5
Structure:
Chemical Name:
2-chloro-N-(2,4-dimethylphenyl)acetamide
CAS:
39106-10-0
MF:
C10H12ClNO
Structure:
Chemical Name:
sodium [2S-(2alpha,5alpha,6beta)]-6-bromo-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylate
CAS:
73335-78-1
MF:
C8H9BrNNaO3S
Structure:
Chemical Name:
8-chloro-3,7-dihydro-1,3,7-trimethyl-1H-purine-2,6-dione
CAS:
4921-49-7
MF:
C8H9ClN4O2
Structure:
Chemical Name:
(1R,3r,5S)-8-methyl-8-azabicyclo[3.2.1]octan-3-yl 2-hydroxy-2,2-di(thiophen -2-yl)acetate
CAS:
29461-90-3
MF:
C18H21NO3S2
Chemical Name:
Digoxin Impurity 2
Structure:
Chemical Name:
DUTP, 100MM SOLUTION
CAS:
94736-09-1
MF:
C9H16N2NaO14P3
Chemical Name:
Oxacillin USP Impurity D
Chemical Name:
Oxacillin sodium EP impurity B
Chemical Name:
isopropyl 1-(4-methoxyphenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate
Chemical Name:
N-(3-chloro-4-fluorophenyl)-7-fluoro-6,8-dinitroquinazolin-4-amine
Chemical Name:
(S)-4-(((2R,4S,5S,6S)-4-amino-5-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-5,12-dihydroxy-7-methoxy-6,11-dioxo-3,4,6,11-tetrahydrotetracene-2-carboxylic acid
Structure:
Chemical Name:
3-Azabicyclo[3.1.0]hexane-2-carboxamide, N-[(1R)-1-cyano-2-[(3S)-2-oxo-3-pyrrolidinyl]ethyl]-3-[(2S)-3,3-dimethyl-1-oxo-2-[(2,2,2-trifluoroacetyl)amino]butyl]-6,6-dimethyl-, (1R,2S,5S)-
CAS:
2755812-41-8
MF:
C23H32F3N5O4
Chemical Name:
3-(4-cyanophenoxy)benzyl acetate
CAS:
2990481-66-6
Chemical Name:
5-chloro-N-(4-(4-chlorothiophen-2-yl)-5-(4-cyclohexylpiperazin-1-yl)thiazol-2-yl)-6-(4-((4-(4-chlorothiophen-2-yl)-5-(4-cyclohexylpiperazin-1-yl)thiazol-2-yl)carbamoyl)piperidin-1-yl)nicotinamide
Chemical Name:
Bisoprolol Impurity 53
Chemical Name:
Doxylamine Impurity E
Structure:
Chemical Name:
Phenoxymethylpenicillin Potassium EP Impurity F
CAS:
2714805-53-3
MF:
C15H20N2O4S
Chemical Name:
Methylprednisolone EP Impurity D1
Chemical Name:
Nirmatrelvir Impurity 13
Structure:
Chemical Name:
2-Pyridinecarboxamide, 4-hydroxy-N-methyl- (9CI)
CAS:
611226-36-9
MF:
C7H8N2O2
Structure:
Chemical Name:
2-Pyridinemethanol, 4-hydroxy-3,5-dimethyl- (9CI)
CAS:
727375-13-5
MF:
C8H11NO2
Chemical Name:
Bumetanide Impurity 22
Chemical Name:
Rocuronium Bromide Impurity 32 、33
Chemical Name:
Flucloxacillin Sodium Impurity X
Chemical Name:
Pitavastatin Impurity 98
Structure:
Chemical Name:
CLOPIDOGREL CARBOXYLIC ACID
CAS:
144457-28-3
MF:
C15H14ClNO2S
Structure:
Chemical Name:
RAC (CIS/TRANS) DONEPEZIL N-OXIDE
CAS:
120013-84-5
MF:
C24H29NO4
Structure:
Chemical Name:
5-Carboxy-2'-deoxyuridine
CAS:
14599-46-3
MF:
C10H12N2O7
Structure:
Chemical Name:
METOPROLOL IMPURITY D
MF:
C15H25NO3
Chemical Name:
Sugammadex sodium Impurity 52
Chemical Name:
Sugammadex sodium Impurity 43
Chemical Name:
Sugammadex sodium Impurity 39
Structure:
Chemical Name:
Apixaban Impurity 52
CAS:
1620494-31-6
MF:
C31H29N5O4
Chemical Name:
Cefazolin Impurity EP-J
Chemical Name:
Cabozantinib impurity 41
Chemical Name:
Cabozantinib impurity 67
Structure:
Chemical Name:
ethyl 6-bromo-2-(bromomethyl)-5-hydroxy-1-methyl-1H-indole-3-carboxylate
CAS:
149246-36-6
MF:
C13H13Br2NO3
Chemical Name:
Dapoxetine impurity 50
Chemical Name:
Doxofylline Impurity 18
Chemical Name:
Dapoxetine impurity 63
Chemical Name:
Dapoxetine impurity 57
Structure:
Chemical Name:
Bosutinib Impurity 2 (N-Desmethyl Bosutinib)
CAS:
380843-81-2
MF:
C25H27Cl2N5O3
Chemical Name:
Perospirone Impurity 29
Chemical Name:
Perospirone Impurity 24
Chemical Name:
Perospirone Impurity 7
CAS:
1002359-81-0
Chemical Name:
2-methyl-4-(((2E,6E,10E)-3,7,11,15-tetramethylhexadeca-2,6,10,14- tetraen-1-yl)oxy)naphthalen-1-yl acetate
Chemical Name:
Paxlovid Impurity 17
Chemical Name:
Related impurities of fluoxetine sodium 19
Chemical Name:
Fondaparinux sodium impurity 16
Chemical Name:
Fondaparinux Sodium Impurity 11
Chemical Name:
Oxacillin Impurity E
Structure:
Chemical Name:
AZOBENZENE-3-CARBOXYLICACID
CAS:
14474-22-7
MF:
C13H10N2O2
Chemical Name:
Bosutinib Impurity 40
Chemical Name:
Ticagrelor Impurity J&K
Chemical Name:
Olodaterol Impurity 24
Chemical Name:
Miglitol Isomer ImpurityB
Chemical Name:
benzhydryl (6R,7S)-7-(2-mercaptoacetamido)-7-methoxy-3-(((1-methyl-1H-tetrazol-5-yl)thio)methyl)-8-oxo-5-thia-1-azabicyclo[4.2.0]oct-2-ene-2-carboxylate
Chemical Name:
43,50-Dicarboxy-cyanoco balamin
Structure:
Chemical Name:
(1R,4S) Sertraline Hydrochloride
CAS:
79896-32-5
MF:
C17H18Cl3N
Structure:
Chemical Name:
4-Desmethoxy-4-chloro Omeprazole Sulfide
CAS:
220757-74-4
MF:
C16H16ClN3OS
Structure:
Chemical Name:
N-Desmethyl Tamoxifen Hydrochloride
CAS:
15917-65-4
MF:
C25H27NO.ClH
Structure:
Chemical Name:
(3S,5S)-Atorvastatin sodium salt
CAS:
501121-34-2
MF:
C33H35FN2O5
Structure:
Chemical Name:
2(1H)-Pyrazinone, 3-phenyl-
CAS:
2882-18-0
MF:
C10H8N2O
Structure:
Chemical Name:
1H-Thieno[3,4-d]imidazole-4-valeric acid, hexahydro-2-oxo-, stereoisomer (8CI)
CAS:
21788-37-4
MF:
C10H16N2O3S
Structure:
Chemical Name:
pazufloxacin
CAS:
166665-94-7
MF:
C16H15FN2O4
Structure:
Chemical Name:
MK 485
CAS:
28875-92-5
MF:
C10H14N2O4
Structure:
Chemical Name:
1,3-Dioxane-4-aceticacid,6-(cyanomethyl)-2,2-dimethyl-,(4R,6R)-(9CI)
CAS:
807312-27-2
MF:
C10H15NO4
Structure:
Chemical Name:
bromobenzarone
CAS:
94729-09-6
MF:
C17H13BrO3
Structure:
Chemical Name:
digoxigenin-bis(digitoxoside)
CAS:
5297-05-2
MF:
C35H54O11
Structure:
Chemical Name:
17 alpha-cyanomethyl-19-nortestosterone
CAS:
67473-36-3
MF:
C20H27NO2
Structure:
Chemical Name:
desmethylazelastine
CAS:
47491-38-3
MF:
C21H22ClN3O