N-[[P(S),2’R]-2’-deoxy-3’-O-[(1,1-dimethylethyl)dimethylsilyl]-2’-fluoro-2’-methyl-P-phenyl-5’-uridylyl]-L-alanine 1-Methylethyl Ester CAS 1256490-54-6

Purity 97%+In StockPharmaceutical Standards
CAS No.1256490-54-6
Molecular FormulaC28H43FN3O9PSi
Molecular Weight643.71 g/mol
CategoryPharmaceutical Standards / API Standards
AvailabilityIn Stock

Chemical Structure

N-[[P(S),2’R]-2’-deoxy-3’-O-[(1,1-dimethylethyl)dimethylsilyl]-2’-fluoro-2’-methyl-P-phenyl-5’-uridylyl]-L-alanine 1-Methylethyl Ester CAS 1256490-54-6 chemical structure

Description

High-purity N-[[P(S),2’R]-2’-deoxy-3’-O-[(1,1-dimethylethyl)dimethylsilyl]-2’-fluoro-2’-methyl-P-phenyl-5’-uridylyl]-L-alanine 1-Methylethyl Ester (CAS 1256490-54-6) pharmaceutical standards reference standard. Molecular formula: C28H43FN3O9PSi. Molecular weight: 643.71 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

Physical & Chemical Properties

Molecular FormulaC28H43FN3O9PSi
Molecular Weight643.71 g/mol
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)8.5
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1990
Halogen ContentF-containing
Nitrogen Atoms3

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