Product Features
| CAS | 1094598-75-0 |
| IUPAC | 5-[2-Ethoxy-5-[(4-methyl-4-oxido-1-piperazinyl)sulfonyl]phenyl]-1,6-dihydro-1-methyl-3-propyl-7H-pyrazolo[4,3-d]pyrimidin-7-one |
| Molecular Formula | C₂₂H₃₀N₆O₅S |
| Molecular Weight | 490.58 |
| Synonyms | Sildenafil N-Oxide |
Sildenafil EP Impurity B
