Sildenafil EP Impurity A CAS 1391053-95-4

Purity >95%In StockPharmacopoeial Impurity Standards
CAS No.1391053-95-4
Molecular FormulaC23H32N6O4S
Molecular Weight488.60 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Sildenafil EP Impurity A CAS 1391053-95-4 chemical structure

Description

High-purity Sildenafil EP Impurity A (CAS 1391053-95-4) pharmacopoeial impurity standards reference standard. Molecular formula: C23H32N6O4S. Molecular weight: 488.60 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.

Physical & Chemical Properties

Molecular FormulaC23H32N6O4S
Molecular Weight488.60 g/mol
Purity>95%
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
Degree of Unsaturation (DBE)11.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)1991
Nitrogen Atoms6
Sulfur Atoms1

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