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Pharmaceutical Impurity Reference Standards
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- Chemical Name:Peramivir Intermediate impurity 1
- CAS:
- MF:
- Chemical Name:Rosuvastatin EP Impurity G
- CAS:
- MF:
- Chemical Name:Peramivir Intermediate Impurity 43
- CAS:
- MF:
- Chemical Name:Peramivir Deacetylated Impurity
- CAS:
- MF:
- Chemical Name:Linagliptin Impurity 49
- CAS:
- MF:
- Chemical Name:Loxoprofen Sodium Impurity 35
- CAS:
- MF:
- Chemical Name:Dashatinib impurity 46
- CAS:
- MF:
- Structure:
- Chemical Name:(R,S)-N-Acetyl-3,4-dimethoxy phenylalanine
- CAS:27313-65-1
- MF:C13H17NO5
- Chemical Name:Oxytocin oxide impurity reference substance
- CAS:
- MF:
- Chemical Name:Troxipide Impurity 7
- CAS:
- MF:
- Chemical Name:Bendamustine Impurity 37A
- CAS:
- MF:
- Chemical Name:Brivaracetam Impurity 50
- CAS:
- MF:
- Chemical Name:6-Hydroxymoxifloxacin Impurities
- CAS:
- MF:
- Chemical Name:(S)-4-(((R)-1-carboxy-2-((3-hydroxypropyl)thio)ethyl)amino)-3-hydroxy-4-oxobutanoic acid
- CAS:
- MF:
- Structure:
- Chemical Name:1,3-bis(5-bromo-2-methoxyphenyl)adamantane
- CAS:932033-56-2
- MF:C24H26Br2O2
- Structure:
- Chemical Name:(S)-dimethyl 2-(4-(((2,4-diaminopteridin-6-yl)methyl)(methyl)amino)benzamido)pentanedioate
- CAS:67676-60-2
- MF:C22H27ClN8O5
- Structure:
- Chemical Name:2-Pyrazinecarboxylic acid, 6-methyl-, 4-oxide
- CAS:51037-31-1
- MF:C6H6N2O3
- Chemical Name:1-Ethyl-2-[[(2-methoxy-5-sulphamoyl
- CAS:
- MF:
- Structure:
- Chemical Name:2-(4-Bromo-3-formylphenoxy)-benzonitrile
- CAS:1160182-46-6
- MF:C14H8BrNO2
- Chemical Name:Carbetocin S-Oxide I
- CAS:
- MF:
- Chemical Name:Dolutegravir Impurity 15
- CAS:
- MF:
- Chemical Name:Furoxine GSK Open Ring Impurity
- CAS:
- MF:
- Structure:
- Chemical Name:INDEX NAME NOT YET ASSIGNED
- CAS:2681355-40-6
- MF:C29H34Cl2N6O4S2
- Chemical Name:Isavuconazole Impurity 48
- CAS:
- MF:
- Structure:
- Chemical Name:(S)-2-(1-(3-ethoxy-4-methoxyphenyl)-2-(methylsulfonyl)ethyl)-5-nitroisoindoline-1,3-dione
- CAS:
- MF:C20H20N2O8S
- Structure:
- Chemical Name:2-(4-(2-(4-(1-(2-methoxyethyl)-1H-benzo[d]imidazol-2-yl)piperidin-1-yl)ethyl)phenyl)-2-methylpropanoic acid
- CAS:
- MF:C27H35N3O3
- Chemical Name:Tafluprost Impurity 19
- CAS:
- MF:
- Chemical Name:Rosuvastatin Impurity 162
- CAS:
- MF:
- Chemical Name:Rosuvastatin Impurity 151
- CAS:
- MF:
- Chemical Name:Rosuvastatin Impurity 148
- CAS:
- MF:
- Structure:
- Chemical Name:FUROSEMIDE ACYL-B-D-GLUCURONIDE
- CAS:72967-59-0
- MF:C18H19ClN2O11S
- Chemical Name:Digoxin Impurity 1
- CAS:
- MF:
- Chemical Name:Bimatoprost Impurity 23
- CAS:
- MF:
- Chemical Name:Oxacillin Impurity IMPA
- CAS:
- MF:
- Chemical Name:Rebamipide Impurity X(Rebamipide Impurity 7)
- CAS:
- MF:
- Chemical Name:sodium 1-(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)ethane-1-sulfonate
- CAS:
- MF:
- 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:N-acetyl-β-D-glucosidase
- CAS:
- MF:
- Chemical Name:CetearylGlucoside
- CAS:246159-33-1
- MF:
- Chemical Name:Bisoprolol Impurity 40
- CAS:
- MF:
- 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
- CAS:
- MF:
- Structure:
- Chemical Name:2,4-Pyrimidinediol, 6-chloro- (9CI)
- CAS:107577-09-3
- MF:C4H3ClN2O2
- Structure:
- Chemical Name:2,4-Pyrimidinediol, 6-chloro- (9CI)
- CAS:107577-09-3
- MF:C4H3ClN2O2
- Chemical Name:Phenoxymethylpenicillin Potassium Impurity 8
- CAS:
- MF:
- Chemical Name:Tegoprazan Impurity 4
- CAS:
- MF:
- 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
- CAS:
- MF:
- Structure:
- Chemical Name:Olopatadine Impurity 11 HBr
- CAS:4174-84-9
- MF:C21H24Br2NP
- Chemical Name:Iohexol Impurity P
- CAS:
- MF:
- Chemical Name:Avibactam sodium Impurity CEA
- CAS:
- MF:
- 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
- CAS:
- MF:
- Structure:
- Chemical Name:Oseltamivir Diastereomer III HCl
- CAS:2413185-95-0
- MF:C16H28N2O4
- Structure:
- Chemical Name:Rocuronium bromide impurity (3,16,17-triol)
- CAS:
- MF:C23H39NO4
- Structure:
- Chemical Name:4-(4-amino-3-chlorophenoxy)-7-methoxyquinoline-6-carboxylic acid
- CAS:
- MF:C17H13ClN2O4
- Chemical Name:Ornidazole Impurity 26
- CAS:
- MF:
- Chemical Name:Pitavastatin Impurity 73
- CAS:
- MF:
- Chemical Name:Furosemide Impurity 24
- CAS:
- MF:
- Chemical Name:Brivaracetam Impurity 34
- CAS:
- MF:
- Chemical Name:Amoxicillin Impurity ABCDEFGHIJKLM
- CAS:
- MF:
- Chemical Name:Amoxicillin Impurity ABCDEFGHIJKLM
- CAS:
- MF:
- 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:Topiroxostat Impurity 44
- CAS:1824131-48-7
- MF:C7H6N4O
- Structure:
- Chemical Name:Fexofenadine Impurity 12
- CAS:1010812-98-2
- MF:C32H37NO4
- Structure:
- Chemical Name:2,2'-(oxybis((2-chloro-5-iodophenyl)methylene))diphenol
- CAS:
- MF:C26H18Cl2I2O3
- Structure:
- Chemical Name:Gliclazide Impurity 6
- CAS:1207714-41-7
- MF:C8H10N2O3S
- Structure:
- Chemical Name:Phenol, 4,4'-(4-pyridinylmethylene)bis-
- CAS:109810-81-3
- MF:C18H15NO2
- Chemical Name:Ropivacaine Impurity 50
- CAS:
- MF:
- Structure:
- Chemical Name:Glycine, N-[(4,7-dihydroxy-1-methyl-3-isoquinolinyl)carbonyl]-
- CAS:2173338-12-8
- MF:C13H12N2O5
- Structure:
- Chemical Name:5-Thiazolecarboxylic acid, 2-[3,5-diformyl-4-(2-methylpropoxy)phenyl]-4-methyl-, ethyl ester
- CAS:2375033-26-2
- MF:C19H21NO5S
- Structure:
- Chemical Name:Furosemide Impurity 6
- CAS:74793-12-7
- MF:C12H10ClNO3
- Structure:
- Chemical Name:Lumateperone Impurity 3
- CAS:313544-76-2
- MF:C17H21N3O3
- Structure:
- Chemical Name:Butanoic acid, L-2-aminobutanoyl-L-2-amino-, methyl ester (9CI)
- CAS:772292-30-5
- MF:C9H18N2O3
- Structure:
- Chemical Name:Hexanoic acid, 3-(hydroxymethyl)-, (3R)-
- CAS:2096999-79-8
- MF:C7H14O3
- Structure:
- Chemical Name:3-Thiophenecarboxylic acid, 4-formyl-2,5-dihydro-2-(4-hydroxybutylidene)-5-methyl-, (2Z)-
- CAS:1025974-23-5
- MF:C11H14O4S
- Structure:
- Chemical Name:1H-Pyrrole-3-methanamine, 1-[(1,4-dihydro-3-pyridinyl)sulfonyl]-5-(2-fluorophenyl)-N-methyl-
- CAS:2416241-98-8
- MF:C17H18FN3O2S
- Chemical Name:impurity 44
- CAS:
- MF:
- Chemical Name:3-((2-acetamido-6-oxo-1,6-dihydro-9H-purin-9-yl)methoxy)propane- 1,2-diyl diacetate
- CAS:96429-68-4
- MF:
- Structure:
- Chemical Name:L-erythro-Pentonic acid, 2-deoxy-2-fluoro-2-methyl-, γ-lactone, 3,5-dibenzoate, (2S)-
- CAS:1946820-91-2
- MF:C20H17FO6
- Structure:
- Chemical Name:5,5'-Bi-1H-benzimidazole, 6,6'-bis(difluoromethoxy)-2,2'-bis[[(3,4-dimethoxy-2-pyridinyl)methyl]thio]-
- CAS:2251784-93-5
- MF:C32H28F4N6O6S2
- Structure:
- Chemical Name:1,4,7,10-Tetraazacyclododecane-1,7-diacetic acid, 4,10-bis[2,3-dihydroxy-1-(hydroxymethyl)propyl]-
- CAS:2514736-58-2
- MF:C20H40N4O10
- Structure:
- Chemical Name:Valsartan Methyl Ester N2-Trityl Analog
- CAS:883223-10-7
- MF:C44H45N5O3
- Chemical Name:Ampicillin Impurity G
- CAS:
- MF:
- Chemical Name:Azacitidine Impurity EJ
- CAS:
- MF: