Catalog division
Impurity Reference Standards
Pharmacopoeial impurities, nitrosamines, metabolites, labelled internal standards and API working standards, each backed by analytical data for method development and QC.
((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
ZX-025471
((1R,3S)-3-(2-Amino-6-chloro-9H-purin-9-yl)cyclopentyl)methanol
- CAS
- 2022943-79-7
- Formula
- C11H14ClN5O
- MW
- 267.71 g/mol
ZX-023113
((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
ZX-026975
((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
ZX-026972
((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
ZX-022795
((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
ZX-032527
((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
ZX-024009
((2R,3R)-3-(Benzoyloxy)-4,4-difluoro-5-hydroxytetrahydrofuran-2-yl)methyl Benzoate
- CAS
- 143157-22-6
- Formula
- C19H16F2O6
- MW
- 378.3 g/mol
ZX-029719
((2R,3S,4R,5R)-3,4-Dihydroxy-5-((E)-4-(hydroxyimino)-2-oxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl isobutyrate
- CAS
- 2492423-30-8
- Formula
- C13H19N3O7
- MW
- 329.31 g/mol
ZX-030680
((2R,3S,5R)-3-Acetoxy-5-(5-methyl-2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)tetrahydrofuran-2-yl)methyl acetate
- CAS
- 6979-97-1
- Formula
- C14H18N2O7
- MW
- 326.3 g/mol
ZX-020930
((2R,3S,5R)-5-(4-Amino-2-oxo-1,3,5-triazin-1(2H)-yl)-3-hydroxytetrahydrofuran-2-yl)methyl 4-methylbenzoate
- CAS
- 183016-22-0
- Formula
- C16H18N4O5
- MW
- 346.34 g/mol
ZX-028891
((2R,3S,5S)-3-Acetoxy-5-(4-amino-2-oxo-1,3,5-triazin-1(2H)-yl)tetrahydrofuran-2-yl)methyl acetate
- CAS
- 1254186-96-3
- Formula
- C12H16N4O6
- MW
- 312.28 g/mol
ZX-028892
((2R,3S)-3-(Benzoyloxy)-4,4-difluoro-5-oxotetrahydrofuran-2-yl)methyl Benzoate
- CAS
- 122111-02-8
- Formula
- C19H14F2O6
- MW
- 376.3 g/mol
ZX-029711
((2S,4R)-2-((1H-1,2,4-Triazol-1-yl)methyl)-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl)methanol
- CAS
- 172587-60-9
- Formula
- C13H13Cl2N3O3
- MW
- 330.16 g/mol
ZX-030050
((2S,4R)-2-((1H-Imidazol-1-yl)methyl)-2-(2,4-dichlorophenyl)-1,3-dioxolan-4-yl)methanol
- CAS
- 170210-49-8
- Formula
- C14H14Cl2N2O3
- MW
- 329.2 g/mol
ZX-025230
((3AR,4R,6R,6aR)-6-(2,4-dioxo-3,4-Dihydropyrimidin-1(2H)-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methyl isobutyrate
- CAS
- 2346620-53-7
- Formula
- C16H22N2O7
- MW
- 354.35 g/mol
ZX-033873
((3AR,4R,6R,6aR)-6-(4-(Hydroxyimino)-2-oxo-3,4-dihydropyrimidin-1(2H)-yl)-2,2-dimethyltetrahydrofuro[3,4-d][1,3]dioxol-4-yl)methyl isobutyrate
- CAS
- 2346620-55-9
- Formula
- C16H23N3O7
- MW
- 369.37 g/mol
ZX-025679
((3R,5R)-5-((1H-1,2,4-Triazol-1-yl)methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)methyl 4-methylbenzenesulfonate
- CAS
- 159811-30-0
- Formula
- C21H21F2N3O4S
- MW
- 449.5 g/mol
ZX-031915
((3R,5R)-5-((1H-1,2,4-Triazol-1-yl)methyl)-5-(2,4-difluorophenyl)tetrahydrofuran-3-yl)methyl 4-methylbenzenesulfonate
- CAS
- 149809-42-7
- Formula
- C21H21F2N3O4S
- MW
- 449.5 g/mol
ZX-031916
((3S,5R)-5-(2,4-Difluorophenyl)-5-(iodomethyl)tetrahydrofuran-3-yl)methyl Isobutyrate
- CAS
- 1042398-26-4
- Formula
- C16H19F2IO3
- MW
- 424.22 g/mol
ZX-031924
((4-(3-(3-Fluorophenyl)-5,5-dimethyl-4-oxo-4,5-dihydrofuran-2-yl)phenyl)sulfonyl)methyl acetate
- CAS
- 1778703-66-4
- Formula
- C21H19FO6S
- MW
- 418.4 g/mol
ZX-026458
Have a list of compounds to price?
Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.