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
![4-(((2S,4R)-1-([1,1'-Biphenyl]-4-yl)-5-isopropoxy-4-methyl-5-oxopentan-2-yl)amino)-4-oxobutanoic acid chemical structure](/media/structures/LYSUAGBIROZVAI-GCJKJVERSA-N.svg)
4-(((2S,4R)-1-([1,1'-Biphenyl]-4-yl)-5-isopropoxy-4-methyl-5-oxopentan-2-yl)amino)-4-oxobutanoic acid
- CAS
- 2514965-95-6
- Formula
- C25H31NO5
- MW
- 425.5 g/mol
VQ-027960
4-(((5-((2-Oxo-5-vinylpyrrolidin-1-yl)methyl)furan-2-yl)methylene)amino)hex-5-enoic Acid
- CAS
- 158878-96-7
- Formula
- C18H22N2O4
- MW
- 330.38 g/mol
VQ-042876
4-(((5-Hydroxy-4-(hydroxymethyl)-6-methylpyridin-3-yl)methoxy)methyl)-5-(hydroxymethyl)-2-methylpyridin-3-ol
- CAS
- 2726926-28-7
- Formula
- C16H20N2O5
- MW
- 320.34 g/mol
VQ-033107
4-((1-((6-Cyano-5-(trifluoromethyl)pyridin-3-yl)carbamoyl)cyclobutyl)amino)-2-fluoro-N-methylbenzamide
- CAS
- 1950587-20-8
- Formula
- C20H17F4N5O2
- MW
- 435.4 g/mol
VQ-024309
4-((1-Cyanocyclobutyl)amino)-2-fluoro-N-methylbenzamide
- CAS
- 915087-26-2
- Formula
- C13H14FN3O
- MW
- 247.27 g/mol
VQ-029171
![4-((1-Hydroxy-1,3-dihydrobenzo[c][1,2]oxaborol-5-yl)oxy)benzamide chemical structure](/media/structures/BNNSMPLZLMPJQX-UHFFFAOYSA-N.svg)
4-((1-Hydroxy-1,3-dihydrobenzo[c][1,2]oxaborol-5-yl)oxy)benzamide
- CAS
- 1187188-59-5
- Formula
- C14H12BNO4
- MW
- 269.06 g/mol
VQ-022262
![4-((1H-Benzo[d]imidazol-2-yl)oxy)-3-methylpicolinic Acid chemical structure](/media/structures/CUFZCIPMCJAURP-UHFFFAOYSA-N.svg)
4-((1H-Benzo[d]imidazol-2-yl)oxy)-3-methylpicolinic Acid
- CAS
- 1286104-27-5
- Formula
- C14H11N3O3
- MW
- 269.25 g/mol
VQ-027711
4-((2-(Methylamino)ethoxy)methyl)benzonitrile Hydrochloride
- CAS
- 1803606-15-6
- Formula
- C11H15ClN2O
- MW
- 226.7 g/mol
VQ-044223
4-((2-Hydroxynaphthalenyl)diazenyl)-5-methoxy-2-methylbenzenesulfonate Sodium
- CAS
- 61660-27-3
- Formula
- C18H15N2NaO5S
- MW
- 394.4 g/mol
VQ-039980
4-((2,4-Diaminopyrimidin-5-yl)methyl)-2,6-dimethoxyphenol
- CAS
- 21253-58-7
- Formula
- C13H16N4O3
- MW
- 276.29 g/mol
VQ-034445
4-((2R,4R)-4-Ethoxy-1-((5-methoxy-7-methyl-1H-indol-4-yl)methyl)piperidin-2-yl)benzoic Acid
- CAS
- 1644670-39-2
- Formula
- C25H30N2O4
- MW
- 422.5 g/mol
VQ-022857
4-((2S,4S)-4-Hydroxy-1-((5-methoxy-7-methyl-1H-indol-4-yl)methyl)piperidin-2-yl)benzoic Acid
- CAS
- 1644670-02-9
- Formula
- C23H26N2O4
- MW
- 394.5 g/mol
VQ-026211
4-((3-Chloro-4-methoxybenzyl)amino)-2-(methylsulfinyl)-N-(pyrimidin-2-ylmethyl)pyrimidine-5-carboxamide
- CAS
- 1364671-52-2
- Formula
- C19H19ClN6O3S
- MW
- 446.9 g/mol
VQ-035143
4-((3-Chloro-4-methoxybenzyl)amino)-2-(methylthio)pyrimidine-5-carboxylic Acid
- CAS
- 330786-34-0
- Formula
- C14H14ClN3O3S
- MW
- 339.8 g/mol
VQ-043061
4-((3,4-Dimethoxybenzamido)methyl)phenyl 3,4-dimethoxybenzoate
- CAS
- 2332724-21-5
- Formula
- C25H25NO7
- MW
- 451.5 g/mol
VQ-037763
4-((3,5-Dimethylphenoxy)methyl)-1,3-dioxolan-2-one
- CAS
- 1422444-20-9
- Formula
- C12H14O4
- MW
- 222.24 g/mol
VQ-038338
![4-((3R,5S)-5-([1,1'-Biphenyl]-4-ylmethyl)-3-methyl-2-oxopyrrolidin-1-yl)-4-oxobutanoic Acid chemical structure](/media/structures/VWCKXAQRSUUVFU-BEFAXECRSA-N.svg)
4-((3R,5S)-5-([1,1'-Biphenyl]-4-ylmethyl)-3-methyl-2-oxopyrrolidin-1-yl)-4-oxobutanoic Acid
- CAS
- 2459446-54-7
- Formula
- C22H23NO4
- MW
- 365.4 g/mol
VQ-033716
4-((3R,5S)-5-([1,1'-Biphenyl]-4-ylmethyl)-3-methyl-2-oxopyrrolidin-1-yl)-4-oxobutanoic acid
- CAS
- 2216746-87-9
- Formula
- C22H23NO4
- MW
- 365.4 g/mol
VQ-034533
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