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Pharmaceutical Impurity Reference Standards
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- Chemical Name:
- Dextrorotation lansoprazole Impurity H
- Chemical Name:
- Dextrorotation lansoprazole Impurity M
- Chemical Name:
- lansoprazole Impurity 26
- Chemical Name:
- Lincomycin sulfone Impurity 2
- Chemical Name:
- Palbociclib Impurity 31
- CAS:
- 2955712-44-2
- Structure:
- Chemical Name:
- Parecoxib Impurity T
- CAS:
- 198471-83-9
- MF:
- C19H18N2O5S
- Chemical Name:
- Ropivacaine Impurity 31
- Chemical Name:
- Ropivacaine Impurity 40
- Chemical Name:
- Sugammadex sodium Decomposition process Impurity 3
- Chemical Name:
- Sugammadex sodium Org48301 Impurity
- Chemical Name:
- Topiroxostat Impurity Ⅱ-3
- Structure:
- Chemical Name:
- Ivabradine related compound 9
- CAS:
- 85175-49-1
- MF:
- C12H13NO4
- Chemical Name:
- Afatinib impurity 28
- Chemical Name:
- blonanserin impurity O
- Structure:
- Chemical Name:
- Butyphthalide impurity 42
- CAS:
- 952412-79-2
- MF:
- C10H12O3
- Chemical Name:
- Butyphthalide impurity 48
- Chemical Name:
- Dapoxetine impurity 20
- Chemical Name:
- Empagliflozin Impurity POE
- Chemical Name:
- Febuxostat Impurity 73
- Chemical Name:
- Febuxostat Impurity 78
- Structure:
- Chemical Name:
- Ibrutinib Impurity 21
- CAS:
- 1642571-08-1
- MF:
- C27H30N6O3
- Chemical Name:
- Lenvatinib Impurity 22
- Chemical Name:
- Moxifloxacin Impurity 47
- Chemical Name:
- Parecoxib sodium Impurity 35
- Structure:
- Chemical Name:
- Tofacitinib Impurity 20
- CAS:
- 1092578-44-3
- MF:
- C27H31N5O2S
- Chemical Name:
- Tofacitinib Impurity 88
- Chemical Name:
- Vildagliptin Impurity ZA9
- Chemical Name:
- Nintedanib Impurity K
- Structure:
- Chemical Name:
- 13-Cis Vitamin A Palmitate
- CAS:
- 26771-20-0
- MF:
- C36H60O2
- Structure:
- Chemical Name:
- Apixaban Amino Acid Impurity
- CAS:
- 2206825-87-6
- MF:
- C25H27N5O5
- Structure:
- Chemical Name:
- Bortezomib Impurity 52
- CAS:
- 87304-47-0
- MF:
- C15H26BClO2
- Structure:
- Chemical Name:
- Moxifloxacin Impurity 20 HCl
- CAS:
- 959347-97-8
- MF:
- C21H25N3O4
- Structure:
- Chemical Name:
- 2-amino-3,5-dibromo-N-((1r,4r)-4-hydroxycyclohexyl)benzamide
- CAS:
- 105735-86-2
- MF:
- C13H16Br2N2O2
- Structure:
- Chemical Name:
- Palonosetron Impurity TM1-RR
- CAS:
- 1022895-91-5
- MF:
- C15H23ClN2
- Chemical Name:
- Eltrombopag Impurity 6
- Structure:
- Chemical Name:
- (1r,4r)-4-((2-amino-3-bromobenzyl)amino)cyclohexanol hydrochloride
- MF:
- C13H20BrClN2O
- Structure:
- Chemical Name:
- (1s,4s)-4-((2-amino-5-bromobenzyl)amino)cyclohexanol hydrochloride
- CAS:
- 5579-35-1
- MF:
- C13H20BrClN2O
- Chemical Name:
- Moxifloxacin oxide Impurity
- Chemical Name:
- Edaravone Impurity 18
- Chemical Name:
- Linagliptin Impurity 47
- Structure:
- Chemical Name:
- (3R,5S,E)-7-(4-(4-fluorophenyl)-2-((2-hydroxy-N,2-dimethylpropyl)sulfonamido)-6-isopropylpyrimidin-5-yl)-3,5-dihydroxyhept-6-enoic acid
- CAS:
- 1715120-13-0
- MF:
- C25H34FN3O7S
- Chemical Name:
- Cabozantinib impurity 28
- Chemical Name:
- Cabozantinib impurity 33
- Chemical Name:
- Ondansetron Impurity 2
- Chemical Name:
- Rivaroxaban Degradation Impurity C
- Structure:
- Chemical Name:
- Irsogladine Impurity DQJ
- CAS:
- 61382-84-1
- MF:
- C9H6Cl2N4O
- Structure:
- Chemical Name:
- Pregabalin Impurity 7
- CAS:
- 70767-77-0
- MF:
- C8H13NO3
- Structure:
- Chemical Name:
- Pregabalin Impurity 13
- CAS:
- 1089315-68-3
- MF:
- C7H11NO3
- Chemical Name:
- Pralatrexate Impurity 7
- Chemical Name:
- Pitavastatin Impurity 39
- Chemical Name:
- Dapoxetine impurity 31
- Chemical Name:
- Lenvatinib Impurity 36
- Chemical Name:
- Sitafloxacin Impurity 19
- Chemical Name:
- Febuxostat Impurity 97
- Structure:
- Chemical Name:
- (1R,3S)-1-(1,3-Benzodioxol-5-yl)-2,3,4,9-tetrahydro-1H-pyrido[3,4-b]indole-3-carboxylic Acid Methyl Ester
- CAS:
- 171596-44-4
- MF:
- C20H18N2O4
- Structure:
- Chemical Name:
- Amlodipine-d4
- CAS:
- 1185246-14-3
- MF:
- C20H25ClN2O5
- Structure:
- Chemical Name:
- 4-[1-methoxy-2-(methylamino)ethyl]benzene-1,2-diol:hydrochloride
- CAS:
- 74571-90-7
- MF:
- C10H16ClNO3
- Structure:
- Chemical Name:
- (1-methylpiperidin-4-yl)(pyridin-2-yl)methanone
- CAS:
- 517875-04-6
- MF:
- C12H16N2O
- Structure:
- Chemical Name:
- 2-cyano-1,3-bis(2-(((5-methyl-1H-imidazol-4-yl)methyl)thio)ethyl)guanidine
- CAS:
- 55272-86-1
- MF:
- C16H24N8S2
- Chemical Name:
- 3-(4-(4-amino-5-chloro-2,3-dihydrobenzofuran-7-carboxamido)piperidin-1-yl)propyl 4-amino-5-chloro-2,3-dihydrobenzofuran-7-carboxylate
- Chemical Name:
- GLICLAZIDE IMPURITY B
- Structure:
- Chemical Name:
- (S)-(+)-N,N-Dimethyl-3-(1-naphthalenyloxy)-3-(2-thienyl)propanamine
- CAS:
- 132335-46-7
- MF:
- C19H21NOS
- Structure:
- Chemical Name:
- D-Tryptophan, N-(trifluoroacetyl)- (9CI)
- CAS:
- 22220-03-7
- MF:
- C13H11F3N2O3
- Chemical Name:
- 2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)-N-(5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)-1H-indazol-3-yl)benzamide
- Chemical Name:
- 1H-benzo[d][1,2,3]triazol-1-yl 2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoate
- Structure:
- Chemical Name:
- 1-Ethyl-3(3-dimethylamino)urea
- CAS:
- 32897-26-0
- MF:
- C8H19N3O
- Chemical Name:
- Brivaracetam Impurity 29
- Structure:
- Chemical Name:
- L-erythro-Hexuronic acid, 3,5-dideoxy-, 1,1-dimethylethyl ester
- CAS:
- 1501982-84-8
- MF:
- C10H18O5
- Chemical Name:
- (Gly8-OH)-Carbetocin (Impurity B)
- Chemical Name:
- D-Asn4-Carbetocin (Impurity F)
- Structure:
- Chemical Name:
- Benzoic acid, 2-(1',6'-dihydro-6'-oxo-1'-phenyl[2,3'-bipyridin]-5'-yl)-, methyl ester
- CAS:
- 543699-60-1
- MF:
- C24H18N2O3
- Structure:
- Chemical Name:
- 1,2-bis(2-methoxyphenoxy)ethane
- CAS:
- 553-45-7
- MF:
- C16H18O4
- Structure:
- Chemical Name:
- Dispiro[11H-benzo[5,6]cyclohepta[1,2-b]pyridine-11,2'-oxirane-3',4''-piperidine]-1''-carboxylic acid, 8-chloro-5,6-dihydro-, ethyl ester, 1-oxide
- CAS:
- 1432057-93-6
- MF:
- C22H23ClN2O4
- Chemical Name:
- Oseltamivir Impurity 109
- Chemical Name:
- Oseltamivir Impurity 81
- Chemical Name:
- Oseltamivir Impurity 71
- Structure:
- Chemical Name:
- 1-hydrazino-3-(methylthio)propan-2-ol
- CAS:
- 14359-97-8
- MF:
- C4H12N2OS
- Structure:
- Chemical Name:
- Benzenemethanol, 4-(3-chloro-2-hydroxypropoxy)-
- CAS:
- 293302-44-0
- MF:
- C10H13ClO3
- Structure:
- Chemical Name:
- trans N-Benzyl Paroxetine
- CAS:
- 105813-14-7
- MF:
- C26H26FNO3
- Chemical Name:
- Lasmiditan Impurity 10
- Chemical Name:
- Nilotinib N-Oxide Impurity 3
- Chemical Name:
- Pemetrexed Impurity 51
- Structure:
- Chemical Name:
- (S)-Tamsulosin Hydrochloride
- CAS:
- 106463-19-8
- MF:
- C20H29ClN2O5S
- Structure:
- Chemical Name:
- 2,2'-Bisnalmefene
- CAS:
- 176220-84-1
- MF:
- C42H48N2O6
- Structure:
- Chemical Name:
- 4-Desmethoxypropoxyl-4-chloro Rabeprazole
- CAS:
- 168167-42-8
- MF:
- C14H12ClN3OS
- Structure:
- Chemical Name:
- N-Desmethyl-4-hydroxy Tamoxifen (approx. 1:1 E/Z Mixture)
- CAS:
- 110025-28-0
- MF:
- C25H27NO2
- Chemical Name:
- Dapoxetine impurity 32
- Chemical Name:
- Olprinone Impurity D
- Chemical Name:
- Atracurium Impurity 30
- Chemical Name:
- Canagliflozin Impurity 48
- Chemical Name:
- Canagliflozin Impurity 54
- Chemical Name:
- Atracurium Impurity 33
- Chemical Name:
- Tofacitinib Impurity 105
- Chemical Name:
- Cabozantinib impurity Q
- Structure:
- Chemical Name:
- Gadobutrol Impurity 1
- CAS:
- 216670-14-3
- MF:
- C22H42ClLiN4O6
- Chemical Name:
- Pemetrexed disodium EP Impurity B
- Chemical Name:
- Crisaborole Impurity 7
- Structure:
- Chemical Name:
- Valnemulin EP Impurity A
- CAS:
- 1624614-06-7
- MF:
- C31H52N2O6S
- Chemical Name:
- Olprinone Impurity F