Shelf life (days): 1460.0
Formulation: A crystalline solid
Formal Name: 5-[2-ethoxy-5-(1-piperazinylsulfonyl)phenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one
Purity: ≥98%
Formula Markup: C21H28N6O4S
Formula Weight: 460.6
CAS Number: 139755-82-1
Notes: N-desmethyl Sildenafil is a major metabolite of sildenafil (Item Nos. 10008671 / 14008).{29612,29611,42395} N-desmethyl Sildenafil is formed via oxidative metabolism of sildenafil by the cytochrome (CYP) P450 isoforms CYP3A4, CYP3A5, and CYP3A7.{42395}