((2R,3R,5R)-5-(4-Amino-2-oxopyrimidin-1(2H)-yl)-4,4-difluoro-3-hydroxytetrahydrofuran-2-yl)methyl phenyl (5,5-dimethyl-2-oxotetrahydrofuran-3-yl)phosphoramidate CAS 1638215-68-5

Purity 97%+In StockPharmaceutical Standards
CAS No.1638215-68-5
Molecular FormulaC21H25F2N4O8P
Molecular Weight530.42 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

((2R,3R,5R)-5-(4-Amino-2-oxopyrimidin-1(2H)-yl)-4,4-difluoro-3-hydroxytetrahydrofuran-2-yl)methyl phenyl (5,5-dimethyl-2-oxotetrahydrofuran-3-yl)phosphoramidate CAS 1638215-68-5 chemical structure

Description

((2R,3R,5R)-5-(4-Amino-2-oxopyrimidin-1(2H)-yl)-4,4-difluoro-3-hydroxytetrahydrofuran-2-yl)methyl phenyl (5,5-dimethyl-2-oxotetrahydrofuran-3-yl)phosphoramidate (CAS 1638215-68-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C21H25F2N4O8P. Molecular weight: 530.42 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.

Physical & Chemical Properties

Molecular FormulaC21H25F2N4O8P
Molecular Weight530.42 g/mol
AppearancePale yellow to yellow crystalline powder. (slight halide-like odor, low volatility)
Purity97%+
StorageStore in a cool place (≤25°C), protect from light, keep sealed and dry
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityMay oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions
Degree of Unsaturation (DBE)10.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1993
Halogen ContentF-containing
Nitrogen Atoms4

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