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
((((3R,6S)-6-Carbamoylpiperidin-3-yl)amino)oxy)sulfonic acid, sodium salt
- CAS
- 2731022-13-0
- Formula
- C6H12N3NaO5S
- MW
- 261.23 g/mol
VQ-029309
((((R)-1-(6-((((5-Fluoro-1-((2R,5S)-2-(hydroxymethyl)-1,3-oxathiolan-5-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)amino)methyl)amino)-9H-purin-9-yl)propan-2-yl)oxy)methyl)phosphonic Acid
- CAS
- 1962115-01-0
- Formula
- C18H24FN8O7PS
- MW
- 546.5 g/mol
VQ-048202
![((1R,2R)-2-((4-(Benzo[d]isothiazol-3-yl)piperazin-1-yl)methyl)cyclohexyl)methanamine chemical structure](/media/structures/ISNHCWHFMIPSEZ-HOTGVXAUSA-N.svg)
((1R,2R)-2-((4-(Benzo[d]isothiazol-3-yl)piperazin-1-yl)methyl)cyclohexyl)methanamine
- CAS
- 1260138-03-1
- Formula
- C19H28N4S
- MW
- 344.5 g/mol
VQ-026540
![((1R,2R)-Cyclohexane-1,2-diyl)bis(methylene) bis(4-(benzo[d]isothiazol-3-yl)piperazine-1-carboxylate) chemical structure](/media/structures/BAGKUUMMYLYQEV-ZEQRLZLVSA-N.svg)
((1R,2R)-Cyclohexane-1,2-diyl)bis(methylene) bis(4-(benzo[d]isothiazol-3-yl)piperazine-1-carboxylate)
- CAS
- 1807983-61-4
- Formula
- C32H38N6O4S2
- MW
- 634.8 g/mol
VQ-038199
((1R,2S)-2-(3-Fluorophenyl)-2-((tosyloxy)methyl)cyclopropyl)methyl acetate
- CAS
- 1450904-92-3
- Formula
- C20H21FO5S
- MW
- 392.4 g/mol
VQ-037924
((1R,3S)-3-(2-Amino-6-chloro-9H-purin-9-yl)cyclopentyl)methanol
- CAS
- 2022943-79-7
- Formula
- C11H14ClN5O
- MW
- 267.71 g/mol
VQ-024101
![((2'-Cyano-[1,1'-biphenyl]-4-yl)methyl)-L-valine chemical structure](/media/structures/ACKDVZDXBQHGKY-SFHVURJKSA-N.svg)
((2'-Cyano-[1,1'-biphenyl]-4-yl)methyl)-L-valine
- CAS
- 1071286-94-6
- Formula
- C19H20N2O2
- MW
- 308.4 g/mol
VQ-042808
((2R,3R,4R,5R)-3-(Benzoyloxy)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-fluoro-4-methyltetrahydrofuran-2-yl)methyl Benzoate
- CAS
- 863329-65-1
- Formula
- C24H21FN2O7
- MW
- 468.4 g/mol
VQ-028071
((2R,3R,4R,5R)-5-(2,4-Dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-fluoro-3-hydroxy-4-methyltetrahydrofuran-2-yl)methyl dihydrogen Phosphate
- CAS
- 1015073-43-4
- Formula
- C10H14FN2O8P
- MW
- 340.2 g/mol
VQ-028068
((2R,3R,4R,5R)-5-(2,4-Dioxo-3,4-dihydropyrimidin-1(2H)-yl)-4-fluoro-3-hydroxy-4-methyltetrahydrofuran-2-yl)methyl Phenyl Hydrogen Phosphate
- CAS
- 1859162-80-3
- Formula
- C16H18FN2O8P
- MW
- 416.29 g/mol
VQ-023779
((2R,3R,4R)-3-(Benzoyloxy)-4-fluoro-4-methyl-5-oxotetrahydrofuran-2-yl)methyl Benzoate
- CAS
- 874638-80-9
- Formula
- C20H17FO6
- MW
- 372.3 g/mol
VQ-033898
((2R,3R,4R)-3-(Benzoyloxy)-4-fluoro-5-hydroxy-4-Methyltetrahydrofuran-2-yl)Methyl benzoate
- CAS
- 1884385-12-9
- Formula
- C20H19FO6
- MW
- 374.4 g/mol
VQ-042216
((2R,3R,4R)-3-(Benzoyloxy)-5-chloro-4-fluoro-4-Methyltetrahydrofuran-2-yl)Methyl benzoate
- CAS
- 1621160-31-3
- Formula
- C20H18ClFO5
- MW
- 392.8 g/mol
VQ-042217
((2R,3R,4S,5R)-5-(6-Amino-2-chloro-9H-purin-9-yl)-4-fluoro-3-hydroxytetrahydrofuran-2-yl)methyl benzoate
- CAS
- 162691-71-6
- Formula
- C17H15ClFN5O4
- MW
- 407.8 g/mol
VQ-035413
((2R,3R,4S,5S)-5-(6-Amino-2-Chloro-9H-purin-9-yl)-4-fluoro-3-hydroxytetrahydrofuran-2-yl)methyl benzoate
- CAS
- 796061-24-0
- Formula
- C17H15ClFN5O4
- MW
- 407.8 g/mol
VQ-025036
((2R,3R)-3-(Benzoyloxy)-4,4-difluoro-5-hydroxytetrahydrofuran-2-yl)methyl Benzoate
- CAS
- 143157-22-6
- Formula
- C19H16F2O6
- MW
- 378.3 g/mol
VQ-030968
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