Product division
Impurities & Reference Standards
Pharmacopoeial and non-pharmacopoeial impurities, metabolites, nitrosamines and working standards with characterisation data for QC and regulatory work.
27,990products
6sub-categories
2,746in stock
COA + SDSwith every lot
API Impurities 14,098Pharmacopeial Impurities (EP / USP / BP) 4,399Nitrosamine Impurities 631Stable Isotope Labelled Standards (Deuterated, 13C, 15N) 1,504Metabolites & Degradation Products 3,922API Reference Standards 3,436
(S)-3-Benzhydryl-1-(2-(2,3-dihydrobenzofuran-5-yl)ethyl)pyrrolidine
- CAS
- 1048979-15-2
- Formula
- C27H29NO
- MW
- 383.54 g/mol
VQ-036562
(S)-3-Chloro-N-((3,4-dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl)-N-methylpropan-1-amine
- CAS
- 1031767-71-1
- Formula
- C15H22ClNO2
- MW
- 283.79 g/mol
VQ-037782
(S)-3-Mercapto-N-(1,2,3,10-tetramethoxy-9-oxo-5,6,7,9-tetrahydrobenzo[a]heptalen-7-yl)propanamide
- CAS
- 172756-13-7
- Formula
- C23H27NO6S
- MW
- 445.53 g/mol
VQ-044170
(S)-3-Methyl-1-((3aS,4S,6S,7aR)-3a,5,5-trimethylhexahydro-4,6-methanobenzo[d][1,3,2]dioxaborol-2-yl)butan-1-amine 2,2,2-trifluoroacetate
- CAS
- 477254-69-6
- Formula
- C17H29BF3NO4
- MW
- 379.2 g/mol
VQ-024615
(S)-3-Methyl-5-(5-(3,4,5-trichlorophenyl)-5-(trifluoromethyl)-4,5-dihydroisoxazol-3-yl)thiophene-2-carboxylic Acid
- CAS
- 1918956-01-0
- Formula
- C16H9Cl3F3NO3S
- MW
- 458.7 g/mol
VQ-031657
(S)-3-Nitro-6-((4-(trifluoromethoxy)benzyl)oxy)-6,7-dihydro-5H-imidazo[2,1-b][1,3]oxazine
- CAS
- 1131004-99-3
- Formula
- C14H12F3N3O5
- MW
- 359.26 g/mol
VQ-044989
(S)-3,3-Dimethyl-2-(2,2,2-trifluoroacetamido)butanoic acid
- CAS
- 666832-71-9
- Formula
- C8H12F3NO3
- MW
- 227.18 g/mol
VQ-044248
(S)-4-((3-Chloro-4-methoxybenzyl)amino)-2-(2-(hydroxymethyl)pyrrolidin-1-yl)pyrimidine-5-carboxylic Acid
- CAS
- 330785-84-7
- Formula
- C18H21ClN4O4
- MW
- 392.8 g/mol
VQ-024436
(S)-4-((3,5-Dichloro-4-methoxybenzyl)amino)-2-(2-(hydroxymethyl)pyrrolidin-1-yl)pyrimidine-5-carboxylic acid
- CAS
- 1643811-26-0
- Formula
- C18H20Cl2N4O4
- MW
- 427.3 g/mol
VQ-043987
(S)-4-((8-(Dimethylamino)-5-hydroxy-6-((neopentylamino)methyl)-4-oxo-1,2,3,4-tetrahydronaphthalen-2-yl)methyl)-2,5-dihydroxy-3,6-dioxocyclohexa-1,4-diene-1-carboxamide
- CAS
- 2272886-36-7
- Formula
- C26H33N3O7
- MW
- 499.6 g/mol
VQ-035309
(S)-4-(1-(2-Aminopropyl)-1H-pyrazol-3-yl)-2-chlorobenzonitrile
- CAS
- 1297537-41-7
- Formula
- C13H13ClN4
- MW
- 260.72 g/mol
VQ-030062
(S)-4-(1-(2-Aminopropyl)-1H-pyrazol-3-yl)-2-chlorobenzonitrile Hydrochloride
- CAS
- 2451299-27-5
- Formula
- C13H13ClN4 · HCl
- MW
- 297.18 g/mol
VQ-030064
(S)-4-(2-((tert-Butoxycarbonyl)amino)-2-carboxyethyl)-3,5-dimethylbenzoic Acid
- CAS
- 2762439-10-9
- Formula
- C17H23NO6
- MW
- 337.4 g/mol
VQ-035301
(S)-4-(3-((Tert-Butoxycarbonyl)amino)-1-(isoquinolin-6-ylamino)-1-oxopropan-2-yl)benzyl 2,4-dimethylbenzoate
- CAS
- 1253955-19-9
- Formula
- C33H35N3O5
- MW
- 553.6 g/mol
VQ-023233
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.