| Cat. No. | NA |
|---|---|
| Cas. No. | 1391053-95-4 |
| Molecular Formula | C23H32N6O4S |
| Formula Weight | 488.6 |
| Synonyms | Sildenafil Impurity A ; Sildenafil USP RC A ; Sildenafil Isobutyl Analog ; 5-[2-ethoxy-5-[(4-methylpiperazin-1-yl)sulfonyl]phenyl]-1-methyl-3-(2-methylpropyl)-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one, |
| Chemical Name | Sildenafil Impurity A ; Sildenafil USP RC A ; Sildenafil Isobutyl Analog ; 5-[2-ethoxy-5-[(4-methylpiperazin-1-yl)sulfonyl]phenyl]-1-methyl-3-(2-methylpropyl)-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one, |
| Category | Impurity Standards |
