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-(3,4-Dimethylphenyl)-3-methyl-1H-pyrazol-5(4H)-one
- CAS
- 18048-64-1
- Formula
- C12H14N2O
- MW
- 202.25 g/mol
VQ-036958
1-(3,4-Dimethylphenyl)-5-ethoxy-3-methyl-1H-pyrazole
- CAS
- 2500321-37-7
- Formula
- C14H18N2O
- MW
- 230.31 g/mol
VQ-048181
1-(3,4-Methylenedioxybenzyl)-4-(5-hydroxy-2-pyrimidyl)piperazine
- CAS
- 50602-51-2
- Formula
- C16H18N4O3
- MW
- 314.34 g/mol
VQ-041520
1-(3,4,5,6-Tetrahydro-2H-azepin-7-yl)azepan-2-one
- CAS
- 22993-71-1
- Formula
- C12H20N2O
- MW
- 208.3 g/mol
VQ-029102
1-(3,6-Dibromopyridin-2-yl)-2-(3,5-difluorophenyl)ethan-1-amine
- CAS
- 2375019-73-9
- Formula
- C13H10Br2F2N2
- MW
- 392.04 g/mol
VQ-037934
![1-(3,7-Dinitro-10,11-Dihydro-5H-dibenzo[b,f]azepin-5-yl)ethan-1-one chemical structure](/media/structures/MGSZTIMBTHAAPQ-UHFFFAOYSA-N.svg)
1-(3,7-Dinitro-10,11-Dihydro-5H-dibenzo[b,f]azepin-5-yl)ethan-1-one
- CAS
- 79752-04-8
- Formula
- C16H13N3O5
- MW
- 327.29 g/mol
VQ-044336
1-(4-((3-Chloro-4-fluorocyclohexyl)amino)-7-methoxyquinazolin-6-yl)-5-hydroxypyrrolidin-2-one
- CAS
- 2190490-31-2
- Formula
- C19H16ClFN4O3
- MW
- 402.8 g/mol
VQ-035114
1-(4-((3-Chloro-4-fluorophenyl)amino)-7-(((S)-tetrahydrofuran-3-yl)oxy)quinazolin-6-yl)-5-hydroxypyrrolidin-2-one
- CAS
- 2223677-58-3
- Formula
- C22H20ClFN4O4
- MW
- 458.9 g/mol
VQ-020747
![1-(4-((4-([1,2,4]Triazolo[1,5-a]pyridin-7-yloxy)-3-methylphenyl)amino)quinazolin-6-yl)-3-(1-hydroxy-2-methylpropan-2-yl)thiourea chemical structure](/media/structures/HZCZAJGNAXZBTF-UHFFFAOYSA-N.svg)
1-(4-((4-([1,2,4]Triazolo[1,5-a]pyridin-7-yloxy)-3-methylphenyl)amino)quinazolin-6-yl)-3-(1-hydroxy-2-methylpropan-2-yl)thiourea
- CAS
- 1429755-58-7
- Formula
- C26H26N8O2S
- MW
- 514.6 g/mol
VQ-028565
![1-(4-((4-([1,2,4]Triazolo[1,5-a]pyridin-7-yloxy)-3-methylphenyl)amino)quinazolin-6-yl)-4,4-dimethylimidazolidine-2-thione chemical structure](/media/structures/XSGOJKHLQVLTJP-UHFFFAOYSA-N.svg)
1-(4-((4-([1,2,4]Triazolo[1,5-a]pyridin-7-yloxy)-3-methylphenyl)amino)quinazolin-6-yl)-4,4-dimethylimidazolidine-2-thione
- CAS
- 2954734-92-8
- Formula
- C26H24N8OS
- MW
- 496.6 g/mol
VQ-035291
1-(4-(1-(((4-Cyclohexyl-3-methylbenzyl)oxy)imino)ethyl)-2-ethylbenzyl)azetidine-3-carboxylic Acid
- CAS
- 800380-45-4
- Formula
- C29H38N2O3
- MW
- 462.6 g/mol
VQ-044475
![1-(4-(1-(2,6-Difluorobenzyl)-3-(6-methoxypyridazin-3-yl)-5-((methylamino)methyl)-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidin-6-yl)phenyl)-3-methoxyurea chemical structure](/media/structures/LMJAWZXHOCNDTN-UHFFFAOYSA-N.svg)
1-(4-(1-(2,6-Difluorobenzyl)-3-(6-methoxypyridazin-3-yl)-5-((methylamino)methyl)-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidin-6-yl)phenyl)-3-methoxyurea
- CAS
- 737790-54-4
- Formula
- C28H25F2N7O5S
- MW
- 609.6 g/mol
VQ-027771
![1-(4-(1-(2,6-Difluorobenzyl)-3-(6-methoxypyridazin-3-yl)-5-methyl-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidin-6-yl)phenyl)-3-methoxyurea chemical structure](/media/structures/LICZMPLGXILZIO-UHFFFAOYSA-N.svg)
1-(4-(1-(2,6-Difluorobenzyl)-3-(6-methoxypyridazin-3-yl)-5-methyl-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidin-6-yl)phenyl)-3-methoxyurea
- CAS
- 2681381-03-1
- Formula
- C27H22F2N6O5S
- MW
- 580.6 g/mol
VQ-023621
![1-(4-(1-(2,6-Difluorobenzyl)-5-((dimethylamino)methyl)-2,4-dioxo-3-(6-oxo-1,6-dihydropyridazin-3-yl)-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidin-6-yl)phenyl)-3-methoxyurea chemical structure](/media/structures/DXPXBUAIEPOSBT-UHFFFAOYSA-N.svg)
1-(4-(1-(2,6-Difluorobenzyl)-5-((dimethylamino)methyl)-2,4-dioxo-3-(6-oxo-1,6-dihydropyridazin-3-yl)-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidin-6-yl)phenyl)-3-methoxyurea
- CAS
- 1801551-07-4
- Formula
- C28H25F2N7O5S
- MW
- 609.6 g/mol
VQ-041862
![1-(4-(1-(2,6-Difluorobenzyl)-5-((dimethylamino)methyl)-3-(6-methoxypyridazin-3-yl)-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidin-6-yl)phenyl)urea chemical structure](/media/structures/OZHVFUYWASAETJ-UHFFFAOYSA-N.svg)
1-(4-(1-(2,6-Difluorobenzyl)-5-((dimethylamino)methyl)-3-(6-methoxypyridazin-3-yl)-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidin-6-yl)phenyl)urea
- CAS
- 2814571-30-5
- Formula
- C28H25F2N7O4S
- MW
- 593.6 g/mol
VQ-023620
1-(4-(1-(3,5,5,8,8-Pentamethyl-5,6,7,8-tetrahydronaphthalen-2-yl)vinyl)phenyl)ethanone
- CAS
- 1349659-53-5
- Formula
- C25H30O
- MW
- 346.5 g/mol
VQ-021819
1-(4-(2-(Azepan-1-yl)ethoxy)benzyl)-5-(benzyloxy)-2-(4-(benzyloxy)phenyl)-3-methyl-1H-indole
- CAS
- 198480-21-6
- Formula
- C44H46N2O3
- MW
- 650.8 g/mol
VQ-021738
1-(4-(2-Hydroxy-3-(isopropylamino)propoxy)phenyl)-2-methoxyethan-1-one
- CAS
- 73723-85-0
- Formula
- C15H23NO4
- MW
- 281.35 g/mol
VQ-038382
![1-(4-(2-Hydroxypropan-2-yl)-2-propyl-1-((2'-(1-trityl-1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-imidazol-5-yl)ethan-1-one chemical structure](/media/structures/ADULDHAINXDYHQ-UHFFFAOYSA-N.svg)
1-(4-(2-Hydroxypropan-2-yl)-2-propyl-1-((2'-(1-trityl-1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-imidazol-5-yl)ethan-1-one
- CAS
- 1227626-50-7
- Formula
- C44H42N6O2
- MW
- 686.8 g/mol
VQ-049306
1-(4-(2-Methoxyethyl)phenoxy)-3-(oxiran-2-ylMethoxy)propan-2-ol
- CAS
- 1416440-64-6
- Formula
- C15H22O5
- MW
- 282.33 g/mol
VQ-031858
1-(4-(2-Methyl-6-oxopiperidin-1-yl)phenyl)-3-morpholino-5,6-dihydropyridin-2(1H)-one
- CAS
- 2098457-93-1
- Formula
- C21H27N3O3
- MW
- 369.5 g/mol
VQ-035759
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