Sildenafil Impurity 254 CAS 479074-08-3

Purity 97%+In StockPharmacopoeial Impurity Standards
CAS No.479074-08-3
Molecular FormulaC18H22N4OS
Molecular Weight342.46 g/mol
CategoryPharmacopoeial Impurity Standards / EP Impurities
AvailabilityIn Stock

Chemical Structure

Sildenafil Impurity 254 CAS 479074-08-3 chemical structure

Description

Sildenafil Impurity 254 (CAS 479074-08-3) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C18H22N4OS. Molecular weight: 342.46 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.

Physical & Chemical Properties

Molecular FormulaC18H22N4OS
Molecular Weight342.46 g/mol
Purity97%+
StorageStore at 2-8°C, protect from light
Solubility (reference)Soluble in DMSO, DMF, methanol
StabilityLight-sensitive; avoid direct strong light
Degree of Unsaturation (DBE)10.0
UV AbsorptionUV-absorbing
Structural FeaturesAromatic ring present
CAS Registry Year (est.)2025
Nitrogen Atoms4
Sulfur Atoms1

Related Sildenafil Standards

Recommended Standards

Why CATO?