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Pharmaceutical Impurity Reference Standards

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Chemical Name:
tirofiban Impurity 1 DIHCl
Structure:
Chemical Name:
Fingolimod 2-Phenethyl Analog
CAS:
851039-25-3
MF:
C35H57NO2
Structure:
Chemical Name:
Ritonavir EP Impurity O
CAS:
1414933-81-5
MF:
C37H48N6O5S2
Structure:
Chemical Name:
Entecavir Impurity 17(Entecavir EP Impurity C)
CAS:
2204369-23-1
MF:
C12H15N5O4
Structure:
Chemical Name:
Gemcitabine Impurity 9
CAS:
2174019-90-8
MF:
C16H15F2N3O5
Structure:
Chemical Name:
Sacubitril
CAS:
1361408-17-4
MF:
C18H20ClNO2
Chemical Name:
Empagliflozin Impurity 43
Structure:
Chemical Name:
1-tosyl-1,4,8,11-tetraazacyclotetradecane trihydrochloride
CAS:
128495-30-7
MF:
C17H31ClN4O2S
Structure:
Chemical Name:
Fluconazole
CAS:
163921-62-8
MF:
C13H10F2N6
Structure:
Chemical Name:
4-(4-chlorothiophen-2-yl)-5-(4-cyclohexylpiperazin-1-yl)thiazol-2-amine
CAS:
570407-42-0
MF:
C17H23ClN4S2
Structure:
Chemical Name:
Vecuronium Bromide EP Impurity F
CAS:
18668-29-6
MF:
C26H41NO3
Chemical Name:
4,8-bis(4-((1,4,8,11-tetraazacyclotetradecan-4,8,11- trifluoroacetyl-1-yl)methyl)benzyl)-1,11-difluoroacetyl- 1,4,8,11-tetraazacyclotetradecane
Structure:
Chemical Name:
Imidafenacin Related Compound 11
CAS:
170105-09-6
MF:
C19H17N3
Structure:
Chemical Name:
4-[3-(Hydroxymethyl)phenoxy]benzonitrile
CAS:
888967-63-3
MF:
C14H11NO2
Structure:
Chemical Name:
Acetaminophen Impurity B
CAS:
98966-17-7
MF:
C16H16N2O4
Structure:
Chemical Name:
Furosemide Impurity 2
MF:
C12H11ClN2O5S
Chemical Name:
Ribavirin Impurity I
Chemical Name:
Silodosin Impurity 2
Structure:
Chemical Name:
5-Methyl-3-phenylisoxazole-4-carboxylic acid
CAS:
1136-45-4
MF:
C11H9NO3
Chemical Name:
Bendamustine Impurity 26
Chemical Name:
Canagliflozin Impurity 26
Structure:
Chemical Name:
Edoxaban Impurity 37
CAS:
2081883-50-1
MF:
C14H27N3O3
Chemical Name:
Imatinib Impurity 10
Structure:
Chemical Name:
Levofloxacin Impurity 19
MF:
C18H20FN3O4
Structure:
Chemical Name:
Olanzapine Impurity K
MF:
C17H20N4S
Chemical Name:
Ticagrelor Related Compound 55
Chemical Name:
Ticagrelor Related Compound 73
Chemical Name:
Vildagliptin Impurity 10
Structure:
Chemical Name:
Cefaclor Impurity 2
CAS:
722547-49-1
MF:
C17H18N2O3
Chemical Name:
Cefodizime Impurity F
Chemical Name:
Olaparib Impurity F
Chemical Name:
Ornidazole Impurity G
Chemical Name:
Pidotimod Impurity L
Chemical Name:
Tadalafil Impuirty 20
Chemical Name:
Tenofovir Impurity 53
Structure:
Chemical Name:
(S)-3-(4-benzylphenoxy)tetrahydrofuran
MF:
C17H18O2
Structure:
Chemical Name:
Ampicillin
CAS:
1207726-28-0
MF:
C24H26N4O5S
Structure:
Chemical Name:
ethyl 2-(4-(sec-butoxy)-3-cyanophenyl)-4-methylthiazole-5- carboxylate
CAS:
2375033-35-3
MF:
C18H20N2O3S
Structure:
Chemical Name:
(S)-Indacaterol
CAS:
1384188-70-8
MF:
C24H29ClN2O3
Structure:
Chemical Name:
Aripiprazole Impurity 47
CAS:
2250242-47-6
MF:
C27H33Cl2N3O3
Chemical Name:
Tenofovir Impurity 52
CAS:
146297-30-5
Structure:
Chemical Name:
Amifostine Impurity 7
CAS:
174397-83-2
MF:
C7H16Br2N2
Chemical Name:
Bendamustine Impurity 31
Structure:
Chemical Name:
Carbidopa Impurity 2
CAS:
1361017-74-4
MF:
C11H16N2O4
Chemical Name:
Cefazolin Impurity 2
Chemical Name:
Cefminox Sodium Impurity 8
Chemical Name:
Dapagliflozin Impurity 28
Structure:
Chemical Name:
Erlotinib Impurity 51
CAS:
115665-66-2
MF:
C8H6BrNO2
Chemical Name:
Oseltamivir Impurity 18
Chemical Name:
Plerixafor Impurity 6
Structure:
Chemical Name:
Pregabalin Impurity 49
CAS:
1568110-05-3
MF:
C10H21NO2
Structure:
Chemical Name:
Rivaroxaban Impurity 79
CAS:
1642601-00-0
MF:
C38H38N4O12
Chemical Name:
Rocuronium Bromide Impurity 37
Structure:
Chemical Name:
Rosuvastatin Impurity 4
CAS:
1899869-35-2
MF:
C19H22FN3O3S
Chemical Name:
RocuroniuMbroMide iMpurity B
Chemical Name:
TetrazepaM IMp. C (EP): 7-Chloro-5-cyclohexyl-1-Methyl-1,3-dihydro-2H-1,4-benzodiazepin-2-one
Structure:
Chemical Name:
bis(2-(7-Methoxynaphthalen-1-yl)ethyl)aMine
CAS:
1623104-92-6
MF:
C26H28ClNO2
Structure:
Chemical Name:
Methyl 2-oxo-3-((2'-(5-oxo-4,5-dihydro-1,2,4-oxadiazol-3-yl)biphenyl-4-yl)Methyl)-2,3-dihydro-1H-benzo[d]iMidazole-4-carboxylate
CAS:
1403474-78-1
MF:
C24H18N4O5
Structure:
Chemical Name:
Thiazolylacetyl glycine oxiMe
CAS:
178949-03-6
MF:
C7H8N4O4S
Structure:
Chemical Name:
3-O-Decladinosyl-6-O-Methylerythronolide A
CAS:
118058-74-5
MF:
C30H55NO10
Structure:
Chemical Name:
Desmethyl Ranolazine
CAS:
755711-09-2
MF:
C23H31N3O3
Structure:
Chemical Name:
P-[[(1S)-2-(6-AMino-9H-purin-9-yl)-1-Methylethoxy]Methyl]-phosphonic Acid Monoethyl Ester
CAS:
1255525-18-8
MF:
C11H18N5O4P
Structure:
Chemical Name:
S,S-Efinaconazole
CAS:
164650-45-7
MF:
C18H22F2N4O
Chemical Name:
BendaMustine IMpurity
Structure:
Chemical Name:
Acetic acid, 2-chloro-2-[2-(2-Methoxyphenyl)hydrazinylidene]-, ethyl ester
CAS:
85014-68-2
MF:
C11H13ClN2O3
Structure:
Chemical Name:
D-Alanine, N-[[P(S),2'R]-2'-cyano-2'-deoxy-2'-Methyl-P-phenyl-5'-cytidylyl]-, 1-Methylethyl ester
CAS:
1496552-28-3
MF:
C22H29FN3O9P
Structure:
Chemical Name:
D-Glucitol, 1,5-anhydro-1-C-[4-Methyl-3-[(5-phenyl-2-thienyl)Methyl]phenyl]-, (1S)-
CAS:
842133-16-8
MF:
C24H26O5S
Structure:
Chemical Name:
Phthalic acid, 3,3'-azoxydi- (8CI)
CAS:
22895-28-9
MF:
C16H10N2O9
Structure:
Chemical Name:
(alphaE)-alpha-[(3,4-Dihydroxy-5-nitrophenyl)methylene]-beta-oxo-1-piperidinepropanenitrile
CAS:
1150310-15-8
MF:
C15H15N3O5
Structure:
Chemical Name:
(2E)-2-Cyano-3-(3-ethoxy-4-hydroxy-5-nitrophenyl)-N,N-diethyl-2-propenamide
CAS:
857629-79-9
MF:
C16H19N3O5
Structure:
Chemical Name:
(R,E)-ethyl 5-([1,1'-biphenyl]-4-yl)-4-((tert-butoxycarbonyl)aMino)-2-Methylpent-2-enoate
CAS:
149709-59-1
MF:
C25H31NO4
Structure:
Chemical Name:
1-(3-AMinopropyl)-4-(2-Methoxyphenyl)piperazine 97%
CAS:
20529-23-1
MF:
C14H23N3O
Structure:
Chemical Name:
(R)-3-((S)-5-(4-fluorophenyl)-5-hydroxypentanoyl)-4-phenyloxazolidin-2-one
CAS:
404874-94-8
MF:
C20H20FNO4
Structure:
Chemical Name:
(S)-3-((S)-5-hydroxy-5-phenylpentanoyl)-4-phenyloxazolidin-2-one
MF:
C20H21NO4
Structure:
Chemical Name:
Apixaban Impurity 20
CAS:
1421823-20-2
MF:
C27H29ClN4O5
Structure:
Chemical Name:
Posaconazole iMpurity 4
CAS:
2125944-53-6
MF:
C30H35N5O3
Structure:
Chemical Name:
Everolimus Ring-Opening Impurity
CAS:
1708118-13-1
MF:
C53H83NO14
Structure:
Chemical Name:
Topiroxostat Impurity 6
CAS:
2044704-63-2
MF:
C7H8N4O2
Structure:
Chemical Name:
Dienogest Impurity I
CAS:
65928-65-6
MF:
C20H27NO2
Structure:
Chemical Name:
Febuxostat Impurity 8
CAS:
144060-62-8
MF:
C16H17NO4S
Structure:
Chemical Name:
(2S,4R)-5-(Biphenyl-4-yl)-4-[(tert-butoxycarbonyl)amino]-2-methylpentanoic acid
CAS:
1012341-54-6
MF:
C23H29NO4
Structure:
Chemical Name:
Calcium bis[4-{[(1S,3R)-1-([1,1'-biphenyl]-4-ylmethyl)-3-methyl-4-oxo-4-(propan-2-yloxyl)butyl]amino}-4-oxobutanoate]
MF:
C50H60CaN2O10
Structure:
Chemical Name:
3-(4-methyl-1H-imidazol-1-yl)-5-(trifluoromethyl)benzamide
CAS:
917391-28-7
MF:
C12H10F3N3O
Chemical Name:
Alogliptin Impurity E
Structure:
Chemical Name:
Carbamic acid, N-[(1R)-2-[5-(2-fluoro-3-methoxyphenyl)-3-[[2-fluoro-6-(trifluoromethyl)phenyl]methyl]-3,6-dihydro-4-methyl-2,6-dioxo-1(2H)-pyrimidinyl]-1-phenylethyl]-, 1,1-dimethylethyl ester
CAS:
830346-51-5
MF:
C33H32F5N3O5
Structure:
Chemical Name:
Baicalein 6-O-glucoside
CAS:
28279-72-3
MF:
C21H20O10
Structure:
Chemical Name:
(2S,3R)-2-(2,4-difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butane-2,3-diol
CAS:
135272-36-5
MF:
C12H13F2N3O2
Structure:
Chemical Name:
Cycloocta[b]pyridine, 2-(4-ethyl-1-piperazinyl)-5,6,7,8,9,10-hexahydro-4-phenyl-
CAS:
132810-75-4
MF:
C23H31N3
Structure:
Chemical Name:
(R)-1-(3-(4-amino-3-(4-phenoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-1-yl)piperidin-1-yl)propan-1-one
CAS:
1839099-22-7
MF:
C25H26N6O2
Structure:
Chemical Name:
Cefminox Sodium Impurity 3
CAS:
1420072-83-8
MF:
C16H21N7O6S4
Chemical Name:
Edaravone Impurity 26
CAS:
152494-76-3
Structure:
Chemical Name:
Levofloxacin Impurity 24
MF:
C18H20FN3O4
Chemical Name:
Parecoxib N-Oxide
Chemical Name:
Rosuvastatin Impurity 84
Chemical Name:
Timolol EP Impurity I
Structure:
Chemical Name:
172967-64-5
CAS:
172967-64-5
MF:
C18H16ClNO3
Structure:
Chemical Name:
Pregabalin Impurity PD0224377
CAS:
501665-97-0
MF:
C14H25NO6
Chemical Name:
Nintedanib Impurity 24
Structure:
Chemical Name:
2-(((3,4-dimethoxypyridin-2-yl)methyl)thio)-1H-benzo[d] imidazol-5-ol
CAS:
1166386-02-2
MF:
C15H15N3O3S
Structure:
Chemical Name:
N-((2-(5-methyl-4-phenylisoxazol-3-yl)phenyl)sulfonyl)propionamide
CAS:
2304623-38-7
MF:
C19H18N2O4S