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
1-(4-(4-(((2R,4S)-2-((1H-Imidazol-1-yl)methyl)-2-(2-chlorophenyl)-1,3-dioxolan-4-yl)methoxy)phenyl)piperazin-1-yl)ethan-1-one
- CAS
- 1334423-12-9
- Formula
- C26H29ClN4O4
- MW
- 497 g/mol
VQ-026294
1-(4-(4-(((2R,4S)-2-((1H-Imidazol-1-yl)methyl)-2-(4-chlorophenyl)-1,3-dioxolan-4-yl)methoxy)phenyl)piperazin-1-yl)ethan-1-one
- CAS
- 91458-32-1
- Formula
- C26H29ClN4O4
- MW
- 497 g/mol
VQ-026290
![1-(4-(4-(Benzo[b]thiophen-4-yl)piperazin-1-yl)butyl)-7-(4-((2-oxo-1,2-dihydroquinolin-7-yl)oxy)butoxy)quinolin-2(1H)-one chemical structure](/media/structures/UCKNCHCPYZWVJE-UHFFFAOYSA-N.svg)
1-(4-(4-(Benzo[b]thiophen-4-yl)piperazin-1-yl)butyl)-7-(4-((2-oxo-1,2-dihydroquinolin-7-yl)oxy)butoxy)quinolin-2(1H)-one
- CAS
- 2518081-42-8
- Formula
- C38H40N4O4S
- MW
- 648.8 g/mol
VQ-036018
1-(4-(5-Methyl-2-oxopiperidin-1-yl)phenyl)-3-morpholino-5,6-dihydropyridin-2(1H)-one
- CAS
- 1686149-78-9
- Formula
- C21H27N3O3
- MW
- 369.5 g/mol
VQ-021605
1-(4-(Aminomethyl)naphthalen-1-yl)-N,N-dimethylmethanamine
- CAS
- 2514708-08-6
- Formula
- C14H18N2
- MW
- 214.31 g/mol
VQ-028286
![1-(4-(Benzo[d]isothiazol-3-yl)piperazin-1-yl)ethan-1-one](/media/pack/1-4-benzodisothiazol-3-ylpiperazin-1-ylethan-1-one.svg?v=3)
1-(4-(Benzo[d]isothiazol-3-yl)piperazin-1-yl)ethan-1-one
- CAS
- 2327157-90-2
- Formula
- C13H15N3OS
- MW
- 261.3 g/mol
VQ-034748
1-(4-(Benzyloxy)-3-nitrophenyl)-2-bromoethanone
- CAS
- 43229-01-2
- Formula
- C15H12BrNO4
- MW
- 350.16 g/mol
VQ-024352
1-(4-(Bis(4-Fluorophenyl)methyl)piperazin-1-yl)ethan-1-one
- CAS
- 857039-69-1
- Formula
- C19H20F2N2O
- MW
- 330.4 g/mol
VQ-044271
1-(4-Amino Phenyl) 4-(4-Methoxy Phenyl) Piperazine
- CAS
- 74852-62-3
- Formula
- C17H21N3O
- MW
- 283.37 g/mol
VQ-035149
![1-(4-Amino-2-methylbenzoyl)-7-chloro-2,3-dihydro-1H-benzo[b]azepin-5-yl 4-amino-2-methylbenzoate chemical structure](/media/structures/VBJOPOPXKGEFCP-UHFFFAOYSA-N.svg)
1-(4-Amino-2-methylbenzoyl)-7-chloro-2,3-dihydro-1H-benzo[b]azepin-5-yl 4-amino-2-methylbenzoate
- CAS
- 1580889-35-5
- Formula
- C26H24ClN3O3
- MW
- 461.9 g/mol
VQ-034345
1-(4-Amino-3,5-dichlorophenyl)-2-(tert-butylamino)ethanone hydrochloride
- CAS
- 37845-71-9
- Formula
- C12H17Cl3N2O
- MW
- 311.6 g/mol
VQ-029838
1-(4-Bromobutyl)-4-(2,3-dichlorophenyl)piperazine
- CAS
- 874661-64-0
- Formula
- C14H19BrCl2N2
- MW
- 366.1 g/mol
VQ-035790
1-(4-Carboxybenzyl)piperidine-4-carboxylic acid
- CAS
- 1158699-78-5
- Formula
- C14H17NO4
- MW
- 263.29 g/mol
VQ-041887
1-(4-Chloro-2-(2-fluorobenzoyl)phenyl)-2-methyl-1H-imidazole-5-carboxylic Acid
- CAS
- 151921-06-1
- Formula
- C18H12ClFN2O3
- MW
- 358.7 g/mol
VQ-044843
1-(4-Chloro-3-(trifluoromethyl)phenyl)-3-(2-fluoro-4-hydroxyphenyl)urea
- CAS
- 1333390-56-9
- Formula
- C14H9ClF4N2O2
- MW
- 348.68 g/mol
VQ-044738
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