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Pharmaceutical Impurity Reference Standards

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Chemical Name:
Rebamipide Impurity X(Rebamipide Impurity 7)
Chemical Name:
(1S,2S,3R,5S)-3-(7-(((1R,2S)-2-(3-fluorophenyl)cyclopropyl)amino)-5-(propylthio)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-3-yl)-5-(2-hydroxyethoxy)cyclopentane-1,2-diol
Chemical Name:
sodium 1-(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)ethane-1-sulfonate
Structure:
Chemical Name:
Pyrimidine, 4,6-dichloro-5-nitroso-2-(propylthio)-
CAS:
2512210-19-2
MF:
C7H7Cl2N3OS
Structure:
Chemical Name:
5-Pyrimidinamine, 4,6-dichloro-N-hydroxy-2-(propylthio)-
CAS:
2517939-84-1
MF:
C7H9Cl2N3OS
Structure:
Chemical Name:
(R)-4-(4-methyl-6-oxo-1,4,5,6-tetrahydropyridazin-3-yl)benzenediazonium tetrafluoroborate
CAS:
1630761-21-5
MF:
C11H11N4O+
Chemical Name:
8-chloro-11-(1-((5-methylpyridin-3-yl)methyl)piperidin-4-ylidene)-6,11-dihydro-5H-benzo[5,6]cyclohepta[1,2-b]pyridine 1-oxide
Chemical Name:
N-acetyl-β-D-glucosidase
Chemical Name:
2-(4-carboxypiperidin-1-yl)-3-chloro-5-((4-(4-chlorothiophen-2-yl)-5-(4-cyclohexylpiperazin-1-yl)thiazol-2-yl)carbamoyl)pyridine 1-oxide
Chemical Name:
CetearylGlucoside
CAS:
246159-33-1
Chemical Name:
Bisoprolol Impurity 40
Structure:
Chemical Name:
2H-Naphtho[1,2-b]pyran-6-ol, 2,5-dimethyl-2-[(3E,7E)-4,8,12-trimethyl-3,7,11-tridecatrienyl]- (9CI)
CAS:
65941-19-7
MF:
C31H40O2
Structure:
Chemical Name:
Amifostine Impurity 15
CAS:
10297-31-1
MF:
C7H17Br3N2
Chemical Name:
Doxylamine Impurity G
Structure:
Chemical Name:
2,4-Pyrimidinediol, 6-chloro- (9CI)
CAS:
107577-09-3
MF:
C4H3ClN2O2
Chemical Name:
Phenoxymethylpenicillin Potassium Impurity 8
Chemical Name:
Tegoprazan Impurity 4
Structure:
Chemical Name:
Lexithromycin
CAS:
53066-26-5
MF:
C38H70N2O13
Structure:
Chemical Name:
4-PYRIDIN-4-YL-BUTYRIC ACID
CAS:
102878-73-9
MF:
C9H11NO2
Chemical Name:
Bumetanide Impurity 23
Chemical Name:
Rocuronium Bromide Impurity 34、35、36
Structure:
Chemical Name:
PIVALOYLOXYMETHYL 6-AMINOPENICILANATE
CAS:
25031-08-7
MF:
C14H22N2O5S
Structure:
Chemical Name:
(9S)-9-Amino-9-deoxoerythromycin
CAS:
26116-56-3
MF:
C37H70N2O12
Structure:
Chemical Name:
NSC525120
CAS:
10221-08-6
MF:
C8H7Cl3
Structure:
Chemical Name:
3-(2-cyanoethyl-(2-hydroxyethyl)amino)propanenitrile
CAS:
6305-56-2
MF:
C8H13N3O
Structure:
Chemical Name:
TRANS-4-[[(2-AMINOPHENYL)METHYL]AMINO]-CYCLOHEXANOL
CAS:
46727-91-7
MF:
C13H20N2O
Chemical Name:
Citalopram Related Compound F
Structure:
Chemical Name:
(1R,3aS,4E,7aR)-4-[(2E)-2-[(3S,5R)-3,5-bis[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-methylenecyclohexylidene]ethylidene]octahydro-7a-methyl-1-[(1R,4S)-1,4,5-trimethylhexyl]-1H-Indene
CAS:
2229745-37-1
MF:
C40H74O2Si2
Structure:
Chemical Name:
(+)-Tamsulosin
CAS:
106138-88-9
MF:
C20H28N2O5S
Structure:
Chemical Name:
2-Pyrrolidinecarboxamide,1-(hydroxyacetyl)-,(S)-(9CI)
CAS:
96166-39-1
MF:
C7H12N2O3
Structure:
Chemical Name:
1H-Pyrazole,3-ethoxy-5-methyl-1-phenyl-(9CI)
CAS:
300543-31-1
MF:
C12H14N2O
Structure:
Chemical Name:
(2-PHENOXY)METHYLSULFONYLANILINE
CAS:
51765-51-6
MF:
C13H13NO3S
Structure:
Chemical Name:
4-methoxy-2,3,5-trimethylpyridine
CAS:
109371-19-9
MF:
C9H13NO
Structure:
Chemical Name:
methylprednisolone 17-hemisuccinate
CAS:
77074-42-1
MF:
C26H34O8
Chemical Name:
8-hydroxymethylriboflavin
CAS:
52134-62-0
MF:
C17H20N4O7
Structure:
Chemical Name:
RS 42358-197
CAS:
135729-55-4
MF:
C19H23ClN2O
Structure:
Chemical Name:
acetylthiamine
CAS:
3419-28-1
Structure:
Chemical Name:
deacetylcephalosporin C
CAS:
1476-46-6
MF:
C14H19N3O7S
Structure:
Chemical Name:
ETHYLVANILLINBETA-D-GLUCOPYRANOSIDE
CAS:
122397-96-0
MF:
C15H20O8
Structure:
Chemical Name:
4-(2-Cyanophenyl)benzyl alcohol
CAS:
154709-19-0
MF:
C14H11NO
Structure:
Chemical Name:
1-Propanol, 3-[[2-[(1H-benzimidazol-2-ylsulfinyl)methyl]-3-methyl-4-pyridinyl]oxy]-
CAS:
117976-94-0
MF:
C17H19N3O3S
Structure:
Chemical Name:
2',3'-O-isopropylidene cytidine
CAS:
362-42-5
MF:
C12H17N3O5
Structure:
Chemical Name:
4,4''-Dimethoxyazoxybenzene
CAS:
501-58-6
MF:
C14H14N2O2
Structure:
Chemical Name:
3,5-Dibenzyloxy terbutalline
CAS:
28924-25-6
MF:
C26H31NO3
Structure:
Chemical Name:
1H-BENZIMIDAZOLE,2-CHLORO-1-(2-ETHOXYETHYL)
CAS:
87233-54-3
MF:
C11H13ClN2O
Structure:
Chemical Name:
2,2-Dimethyl-4-isopropyl-1,3-benzodioxole (Propofol Impurity L)
CAS:
201166-22-5
MF:
C12H16O2
Structure:
Chemical Name:
24Dichloro-5methoxyacetanilide
CAS:
65182-98-1
MF:
C9H9Cl2NO2
Structure:
Chemical Name:
4,4,4-trifluoro-1-(2-methylphenyl)butane-1,3-dione
CAS:
163266-02-2
MF:
C11H9F3O2
Structure:
Chemical Name:
5-chloro-N-(4-nitrophenyl)pentanamide
CAS:
1039914-85-6
MF:
C11H13ClN2O3
Structure:
Chemical Name:
N-(2,6-dimethylphenyl)piperidine-4-carboxamide
CAS:
109403-19-2
MF:
C14H20N2O
Structure:
Chemical Name:
5-{2-[1-(5-Hydroxy-1,5-dimethyl-hexyl)-7a-methyl-octahydro-inden-4-ylidene]-ethylidene}-4-methylene-cyclohexane-1,3-diol
CAS:
73837-24-8
MF:
C27H44O3
Structure:
Chemical Name:
C-Desmethyl Metoprolol
CAS:
109632-08-8
MF:
C14H23NO3
Structure:
Chemical Name:
(Z)-4-HYDROXYTAMOXIFEN
CAS:
65213-48-1
MF:
C26H29NO2
Structure:
Chemical Name:
10-Methoxyiminostilbene-5-carbonylchloride
CAS:
28721-08-6
MF:
C16H12ClNO2
Chemical Name:
1-Ethyl-2-[[(2-methoxy-5-sulphamoyl
Structure:
Chemical Name:
2-(4-Bromo-3-formylphenoxy)-benzonitrile
CAS:
1160182-46-6
MF:
C14H8BrNO2
Chemical Name:
Carbetocin S-Oxide I
Chemical Name:
Dolutegravir Impurity 15
Structure:
Chemical Name:
1-(4-NITRO-PHENYL)-1H-PYRIDIN-2-ONE
CAS:
53427-97-7
MF:
C11H8N2O3
Structure:
Chemical Name:
PeraMpanel
CAS:
380919-67-5
MF:
C23H15N3O2
Chemical Name:
Empagliflozin Impurity 86
Structure:
Chemical Name:
Olopatadine Impurity 11 HBr
CAS:
4174-84-9
MF:
C21H24Br2NP
Chemical Name:
Iohexol Impurity P
Chemical Name:
Avibactam sodium Impurity CEA
Structure:
Chemical Name:
Sulbactam Impurity 2
CAS:
111790-24-0
MF:
C8H13NO6S
Structure:
Chemical Name:
Vortioxetine Impurity 8 HCl
CAS:
2137722-14-4
MF:
C18H23ClN2S
Chemical Name:
Relugolix Impurity 1
Structure:
Chemical Name:
Oseltamivir Diastereomer III HCl
CAS:
2413185-95-0
MF:
C16H28N2O4
Structure:
Chemical Name:
Rocuronium bromide impurity (3,16,17-triol)
MF:
C23H39NO4
Structure:
Chemical Name:
4-(4-amino-3-chlorophenoxy)-7-methoxyquinoline-6-carboxylic acid
MF:
C17H13ClN2O4
Chemical Name:
Ornidazole Impurity 26
Chemical Name:
Pitavastatin Impurity 73
Chemical Name:
Furosemide Impurity 24
Chemical Name:
Brivaracetam Impurity 34
Chemical Name:
1-((2R,3R)-3-(4-(4-cyanophenyl)thiazol-2-yl)-2-(2,5-difluorophenyl)-2-hydroxybutyl)-4-(1-(((3-(hydroxymethyl)pyridin-2-yl)(methyl)carbamoyl)oxy)ethyl)-1H-1,2,4-triazol-4-ium chloride
Chemical Name:
Amoxicillin Impurity ABCDEFGHIJKLM
Structure:
Chemical Name:
β-D-Glucopyranoside, [[(3R,3aS,6S,6aR)-tetrahydro-3a-hydroxy-1H,3H-furo[3,4-c]furan-3,6-diyl]bis(2-methoxy-4,1-phenylene)]bis
CAS:
112747-99-6
MF:
C32H42O17
Structure:
Chemical Name:
1H-1,2,4-Triazole-1-propanol, α-(2,4-difluorophenyl)-α-(1H-1,2,4-triazol-1-ylmethyl)-
CAS:
1222655-38-0
MF:
C14H14F2N6O
Structure:
Chemical Name:
3-Pyrrolidinepropanoic acid, α-[[(1,1-dimethylethoxy)carbonyl]amino]-2-oxo-, (αS,3S)-
CAS:
741267-75-4
MF:
C12H20N2O5
Structure:
Chemical Name:
Vinpocetine impurity C
CAS:
70155-05-4
MF:
C23H28N2O3
Chemical Name:
Cloxacillin Impurity X
Chemical Name:
1-(4-((2-(4-hydroxypiperidin-1-yl)ethyl)(methyl)carbamoyl)benzyl)piperidine-4-carboxamide
Chemical Name:
Azilsartan Impurity 107
Chemical Name:
Perospirone Impurity 25
Chemical Name:
Paxlovid Impurity 16
Chemical Name:
3-(2-(cyclopent-1-en-1-yl)-2-hydroxy-2-phenylacetoxy)-1,1-dimethylpyrrolidin-1-ium bromide
Chemical Name:
Fondaparinux sodium impurity 17
Chemical Name:
Fondaparinux sodium impurity 12
Chemical Name:
Piperacillin impurity L
Chemical Name:
Piperacillin Impurity X
Structure:
Chemical Name:
ETHYLTRITYLETHER
CAS:
968-39-8
MF:
C21H20O
Chemical Name:
Bosutinib Impurity 41
Structure:
Chemical Name:
(S)-3-Dimethylamino-3-phenylpropanol
CAS:
82769-75-3
MF:
C11H17NO
Chemical Name:
Valdecoxib N-Oxide
Chemical Name:
Olodaterol Impurity 23
Chemical Name:
Miglitol Isomer impurities C
Chemical Name:
Alpha-D-Methylglucoside
Structure:
Chemical Name:
4-Desacetyl Vincristine
CAS:
3704-01-6
MF:
C44H54N4O9
Chemical Name:
Relugolix Impurity 91
Structure:
Chemical Name:
D,L N-Desmethylvenlafaxine
CAS:
149289-30-5
MF:
C16H25NO2