| Cat. No. | NA |
|---|---|
| Cas. No. | 139755-91-2 |
| Molecular Formula | C20H26N6O4S |
| Formula Weight | 446.52 |
| Synonyms | Sildenafil 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 |
| Chemical Name | Sildenafil 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 |
| Category | Impurity Standards |
