Product division
Impurities & Reference Standards
Pharmacopoeial and non-pharmacopoeial impurities, metabolites, nitrosamines and working standards with characterisation data for QC and regulatory work.
28,554products
6sub-categories
2,746in stock
COA + SDSwith every lot
API Impurities 14,252Pharmacopeial Impurities (EP / USP / BP) 4,401Nitrosamine Impurities 650Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,612Metabolites & Degradation Products 4,146API Reference Standards 3,493
![Ethyl 4'-(2-acetoxyethoxy)-3'-bromo-[1,1'-biphenyl]-4-carboxylate chemical structure](/media/structures/DUWXVDDCFJIKBU-UHFFFAOYSA-N.svg)
Ethyl 4'-(2-acetoxyethoxy)-3'-bromo-[1,1'-biphenyl]-4-carboxylate
- CAS
- 895542-96-8
- Formula
- C19H19BrO5
- MW
- 407.3 g/mol
VQ-028516
![Ethyl 4'-(2-acetoxyethoxy)-3''-(tert-butyl)-4''-(pyrrolidin-1-yl)-[1,1':3',1''-terphenyl]-4-carboxylate chemical structure](/media/structures/NSMBIFJBBQBGQX-UHFFFAOYSA-N.svg)
Ethyl 4'-(2-acetoxyethoxy)-3''-(tert-butyl)-4''-(pyrrolidin-1-yl)-[1,1':3',1''-terphenyl]-4-carboxylate
- CAS
- 895543-08-5
- Formula
- C33H39NO5
- MW
- 529.7 g/mol
VQ-028517
![Ethyl 4'-chloro-3-methyl-5-oxo-1,2,5,6-tetrahydro-[1,1'-biphenyl]-2-carboxylate](/media/pack/ethyl-4-chloro-3-methyl-5-oxo-1256-tetrahydro-11-biphenyl-2-carboxylate.svg?v=3)
Ethyl 4'-chloro-3-methyl-5-oxo-1,2,5,6-tetrahydro-[1,1'-biphenyl]-2-carboxylate
- CAS
- 89951-61-1
- Formula
- C16H17ClO3
- MW
- 292.76 g/mol
VQ-035432
Ethyl 5-(2-fluorophenyl)-1H-pyrrole-3-carboxylate
- CAS
- 881674-06-2
- Formula
- C13H12FNO2
- MW
- 233.24 g/mol
VQ-034681
Ethyl 5-(4-(4-(5-cyano-1H-indol-3-yl)butyl)piperazin-1-yl)benzofuran-2-carboxylate Hydrochloride
- CAS
- 1422956-25-9
- Formula
- C28H31ClN4O3
- MW
- 507 g/mol
VQ-034607
Ethyl 5-(4-nitrosopiperazin-1-yl)benzofuran-2-carboxylate
- CAS
- 2512217-82-0
- Formula
- C15H17N3O4
- MW
- 303.31 g/mol
VQ-028699
![Ethyl 5H-dibenzo[b,f]azepine-5-carboxylate](/media/pack/ethyl-5h-dibenzobfazepine-5-carboxylate.svg?v=3)
![Ethyl 6-bromo-4-[(dimethylamino)methyl]-5-hydroxy-1,2-dimethyl-1H-indole-3-carboxylate chemical structure](/media/structures/ORLWKKITHVJZOV-UHFFFAOYSA-N.svg)
Ethyl 6-bromo-4-[(dimethylamino)methyl]-5-hydroxy-1,2-dimethyl-1H-indole-3-carboxylate
- CAS
- 153633-07-9
- Formula
- C16H21BrN2O3
- MW
- 369.25 g/mol
VQ-034488
![Ethyl 6-bromo-5-hydroxy-1-methyl-2-[(phenylsulfanyl)methyl]-1H-indole-3-carboxylate chemical structure](/media/structures/DAFNNZWQTJQQAP-UHFFFAOYSA-N.svg)
Ethyl 6-bromo-5-hydroxy-1-methyl-2-[(phenylsulfanyl)methyl]-1H-indole-3-carboxylate
- CAS
- 131707-24-9
- Formula
- C19H18BrNO3S
- MW
- 420.3 g/mol
VQ-023950
Ethyl 6-bromo-5-hydroxy-1-methyl-4-((methylamino)methyl)-2-((phenylthio)methyl)-1H-indole-3-carboxylate
- CAS
- 1130901-04-0
- Formula
- C21H23BrN2O3S
- MW
- 463.4 g/mol
VQ-028923
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