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
(2R,3S,4R,5R,6S)-2-(Hydroxymethyl)-6-(3-(4-(((S)-tetrahydrofuran-3-yl)oxy)benzyl)phenyl)tetrahydro-2H-pyran-3,4,5-triol
- CAS
- 2452301-27-6
- Formula
- C23H28O7
- MW
- 416.5 g/mol
VQ-022508
(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-(((2S,3R,4S,6R)-4-(Dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-3,4,10-trihydroxy-13-(((5S,6S,8R,10R)-10-methoxy-6,10-dimethyl-3-propyl-1,7-dioxa-3-azaspiro[4.5]decan-8-yl)oxy)-3,5,8,10,12,14-hexamethyl-1-oxa-6-azacyclopenta
- CAS
- 352032-81-6
- Formula
- C42H79N3O12
- MW
- 818.1 g/mol
VQ-042735
(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-13-(((2R,4R,5S,6S)-5-(Aminomethyl)-5-hydroxy-4-methoxy-4,6-dimethyltetrahydro-2H-pyran-2-yl)oxy)-11-(((2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyltetrahydro-2H-pyran-2-yl)oxy)-2-ethyl-3,4,10-trihydroxy-3,5,8,10,12,14-hexamethyl-1-oxa-6-azacyclopen
- CAS
- 371193-60-1
- Formula
- C38H73N3O12
- MW
- 764 g/mol
VQ-034475
(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-Ethyl-3,4,10-trihydroxy-13-(((2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyl-5-((propylamino)methyl)tetrahydro-2H-pyran-2-yl)oxy)-11-(((2S,3R,4S,6R)-3-hydroxy-6-methyl-4-(methylamino)tetrahydro-2H-pyran-2-yl)oxy)-3,5,8,10,12,14-hexamethyl-1-oxa-6-azacy
- CAS
- 2051579-12-3
- Formula
- C40H77N3O12
- MW
- 792.1 g/mol
VQ-034476
(2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-2-Ethyl-3,4,10,11,13-pentahydroxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one
- CAS
- 117693-42-2
- Formula
- C22H43NO7
- MW
- 433.6 g/mol
VQ-035110
(2R,3S,4R,5S)-1-Benzhydryl-3,4,5-tris(benzyloxy)-2-((benzyloxy)methyl)piperidine
- CAS
- 2265925-04-8
- Formula
- C47H47NO4
- MW
- 689.9 g/mol
VQ-026693
(2R,3S,4R,5S)-2-(5,6-Dichloro-2-(isopropylamino)-1H-benzo[d]imidazol-1-yl)-5-(hydroxymethyl)tetrahydrofuran-3,4-diol
- CAS
- 176161-49-2
- Formula
- C15H19Cl2N3O4
- MW
- 376.2 g/mol
VQ-031729
(2R,3S,4R)-2-(Hydroxymethyl)-5-methoxytetrahydrofuran-3,4-diol
- CAS
- 13039-63-9
- Formula
- C6H12O5
- MW
- 164.16 g/mol
VQ-047504
(2R,3S,4S,5R)-3-(3-Fluoro-2-methoxyphenyl)-4,5-dimethyl-5-(trifluoromethyl)tetrahydrofuran-2-carboxylic Acid
- CAS
- 3083233-56-8
- Formula
- C15H16F4O4
- MW
- 336.28 g/mol
VQ-034003
(2R,3S,4S,5R)-3-(3,4-Difluoro-2-methoxyphenyl)-4,5-dimethyl-5-(trifluoromethyl)tetrahydrofuran-2-carboxylic Acid
- CAS
- 2649470-87-9
- Formula
- C15H15F5O4
- MW
- 354.27 g/mol
VQ-034006
(2R,3S,4S,5R)-5-((Benzoyloxy)methyl)-3-hydroxytetrahydrofuran-2,4-diyl Dibenzoate
- CAS
- 314289-48-0
- Formula
- C26H22O8
- MW
- 462.4 g/mol
VQ-044727
(2R,3S,5R)-5-(2-Chloro-6-methoxypurin-9-yl)-2-(hydroxymethyl)oxolan-3-ol.
- CAS
- 146196-07-8
- Formula
- C11H13ClN4O4
- MW
- 300.7 g/mol
VQ-047338
(2R,3S,5R)-5-(5-((E)-2-Bromovinyl)-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-2-(((4-chlorobenzoyl)oxy)methyl)tetrahydrofuran-3-yl 4-chlorobenzoate
- CAS
- 87531-10-0
- Formula
- C25H19BrCl2N2O7
- MW
- 610.2 g/mol
VQ-035376
(2R,3S,5R)-5-(6-Amino-2-chloro-7H-purin-7-yl)-2-(hydroxymethyl)tetrahydrofuran-3-ol
- CAS
- 172792-37-9
- Formula
- C10H12ClN5O3
- MW
- 285.69 g/mol
VQ-029833
(2R,3S,5S)-5-Acetoxy-2-(((4-Chlorobenzoyl)oxy)methyl)tetrahydrofuran-3-yl 4-chlorobenzoate
- CAS
- 1019659-87-0
- Formula
- C21H18Cl2O7
- MW
- 453.3 g/mol
VQ-036594
(2R,3S)-2-((R)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholine 4-methylbenzenesulfonate
- CAS
- 200000-59-5
- Formula
- C27H26F7NO5S
- MW
- 609.6 g/mol
VQ-047435
(2R,3S)-2-((R)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy)-3-(4-fluorophenyl)morpholine hydrochloride
- CAS
- 171482-05-6
- Formula
- C20H19ClF7NO2
- MW
- 473.8 g/mol
VQ-024343
(2R,3S)-2-(2,4-Difluorophenyl)-1-(1H-1,2,4-triazol-1-yl)butane-2,3-diol
- CAS
- 135270-11-0
- Formula
- C12H13F2N3O2
- MW
- 269.25 g/mol
VQ-022497
(2R,3S)-2-(4-(Cyclopentylamino)phenyl)-1-(2-fluoro-6-methylbenzoyl)piperidine-3-carboxylic acid
- CAS
- 1346623-11-7
- Formula
- C25H29FN2O3
- MW
- 424.5 g/mol
VQ-029288
(2R,3S)-3-(2,5-Difluorophenyl)-3-hydroxy-2-methyl-4-(1H-1,2,4-triazol-1-yl)butanenitrile
- CAS
- 2069200-13-9
- Formula
- C13H12F2N4O
- MW
- 278.26 g/mol
VQ-026225
(2R,3S)-3-(tert-Butoxycarbonyl)amino-1,2-epoxy-4-phenylbutane
- CAS
- 98760-08-8
- Formula
- C15H21NO3
- MW
- 263.33 g/mol
VQ-024384
(2R,3S)-3-(tert-Butoxycarbonylamino)-1-chloro-2-hydroxy-4-phenylbutane
- CAS
- 162536-40-5
- Formula
- C15H22ClNO3
- MW
- 299.79 g/mol
VQ-025207
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