Sildenafil EP Impurity C ; O-Desethyl Sildenafil ; 5-[2-Hydroxy-5-(4-methylpiperazinylsulphonyl)phenyl]1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyramidin-7-one | 139755-91-2 

Sildenafil EP Impurity C

Description

Code: JCSDF-15
CAS: 139755-91-2
Chemical Formula: C20H26N6O4S
Molecular Weight: 446.52
Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
Literature:
Application: Sildenafil EP Impurity C ; O-Desethyl Sildenafil ; 5-[2-Hydroxy-5-(4-methylpiperazinylsulphonyl)phenyl]1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyramidin-7-one | 139755-91-2 is useful as reference Impurity standard.