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
Methyl (S)-2-amino-3-((S)-2-oxopyrrolidin-3-yl)propanoate
- CAS
- 1027601-37-1
- Formula
- C8H14N2O3
- MW
- 186.21 g/mol
VQ-044315
Methyl (S)-3-amino-3-(4-chlorophenyl)-2,2-dimethylpropanoate
- CAS
- 357388-75-1
- Formula
- C12H16ClNO2
- MW
- 241.71 g/mol
VQ-029626
Methyl 1-((3-fluoro-4-(methylcarbamoyl)phenyl)amino)cyclobutane-1-carboxylate
- CAS
- 2227589-23-1
- Formula
- C14H17FN2O3
- MW
- 280.29 g/mol
VQ-047412
Methyl 1-((4-fluorophenyl)carbamoyl)cyclopropane-1-carboxylate
- CAS
- 1345847-71-3
- Formula
- C12H12FNO3
- MW
- 237.23 g/mol
VQ-024719
Methyl 1-(4-(1-methoxy-1-oxopropan-2-yl)benzyl)-2-oxocyclopentane-1-carboxylate
- CAS
- 308279-38-1
- Formula
- C18H22O5
- MW
- 318.4 g/mol
VQ-038172
![Methyl 1-[(2-Fluorophenyl)methyl]pyrazolo[3,4-b]pyridine-3-carboximidate chemical structure](/media/structures/WSKGRWHECMNHBT-UHFFFAOYSA-N.svg)
Methyl 1-[(2-Fluorophenyl)methyl]pyrazolo[3,4-b]pyridine-3-carboximidate
- CAS
- 304874-06-4
- Formula
- C15H13FN4O
- MW
- 284.29 g/mol
VQ-027829
Methyl 1-amino-4-bromo-1H-pyrrole-2-carboxylate
- CAS
- 1208361-39-0
- Formula
- C6H7BrN2O2
- MW
- 219.04 g/mol
VQ-035866
![Methyl 1-C-[3-(benzo[b]thien-2-ylmethyl)-4-fluorophenyl]-alpha-D-glucopyranoside chemical structure](/media/structures/JBFQHCJIYXXZRZ-VOFPXKNKSA-N.svg)
Methyl 1-C-[3-(benzo[b]thien-2-ylmethyl)-4-fluorophenyl]-alpha-D-glucopyranoside
- CAS
- 1034305-23-1
- Formula
- C22H23FO6S
- MW
- 434.5 g/mol
VQ-026202
Methyl 1-hydroxy-4-oxo-2,5-cyclohexadiene-1-carboxylate
- CAS
- 64185-61-1
- Formula
- C8H8O4
- MW
- 168.15 g/mol
VQ-045126
Methyl 1,2,3,4-Tetrahydro-1-naphthalene- carboxylate
- CAS
- 17502-86-2
- Formula
- C12H14O2
- MW
- 190.24 g/mol
VQ-028318
![Methyl 10-bromo-5H-dibenzo[b,f]azepine-5-carboxylate chemical structure](/media/structures/DUBDUARLAMXTNG-UHFFFAOYSA-N.svg)
Methyl 10-bromo-5H-dibenzo[b,f]azepine-5-carboxylate
- CAS
- 866874-00-2
- Formula
- C16H12BrNO2
- MW
- 330.17 g/mol
VQ-047683
![Methyl 2-(((2'-Cyano-[1,1'-biphenyl]-4-yl)methyl)amino)-3-nitrobenzoate chemical structure](/media/structures/ZIRAEAZVSCADHC-UHFFFAOYSA-N.svg)
Methyl 2-(((2'-Cyano-[1,1'-biphenyl]-4-yl)methyl)amino)-3-nitrobenzoate
- CAS
- 139481-28-0
- Formula
- C22H17N3O4
- MW
- 387.4 g/mol
VQ-024743
Methyl 2-((1r,4r)-4-aminocyclohexyl)acetate (HCl Salt)
- CAS
- 76308-25-3
- Formula
- C9H18ClNO2
- MW
- 207.7 g/mol
VQ-045419
Methyl 2-((2-(4-((4-fluorobenzyl)carbamoyl)-5-hydroxy-1-methyl-6-oxo-1,6-dihydropyrimidin-2-yl)propan-2-yl)amino)-2-oxoacetate
- CAS
- 518048-04-9
- Formula
- C19H21FN4O6
- MW
- 420.4 g/mol
VQ-023608
Methyl 2-(2-(((benzyloxy)carbonyl)amino)propan-2-yl)-5-hydroxy-6-oxo-1,6-dihydropyrimidine-4-carboxylate
- CAS
- 519032-08-7
- Formula
- C17H19N3O6
- MW
- 361.3 g/mol
VQ-027727
Methyl 2-(2-amino-5,6-dichloroquinazolin-3(4H)-yl)acetate hydrochloride
- CAS
- 70380-54-0
- Formula
- C11H11Cl2N3O2 : HCl
- MW
- 324.59 g/mol
VQ-024297
Need a price, a spec or a custom compound?
Send us your list — product names or CAS numbers, grade, quantity and destination. Our team replies with a formal quotation, COA and lead time.