Sildenafil N-Desmethyl Thione Impurity ;  Desmethyl Thiosildenafil ; 5-[2-Ethoxy-5-(1-piperazinylsulfonyl)phenyl]-1,6-dihydro-1-methyl-3-propyl- 7H-pyrazolo[4,3-d]pyrimidine-7-thione | 479073-86-4 

Sildenafil N-Desmethyl Thione Impurity

Description

Code:JCSDF-20
CAS: 479073-86-4
Chemical Formula: C21H28N6O3S2
Molecular Weight: 476.62
Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
Literature:
Application: Sildenafil N-Desmethyl Thione Impurity ;  Desmethyl Thiosildenafil ; 5-[2-Ethoxy-5-(1-piperazinylsulfonyl)phenyl]-1,6-dihydro-1-methyl-3-propyl- 7H-pyrazolo[4,3-d]pyrimidine-7-thione | 479073-86-4 is useful as reference Impurity standard.