Name | Sildenafil Impurity 5 |
Synonyms | Sildenafil Impurity 5 1H-Pyrazolo[4,3-d]pyrimidine, 5-[2-ethoxy-5-[(4-methyl-1-piperazinyl)sulfonyl]phenyl]-7-methoxy-1-methyl-3-propyl- |
CAS | 864164-45-4 |
Molecular Formula | C23H32N6O4S |
Molar Mass | 488.6 |
Density | 1.34±0.1 g/cm3(Predicted) |
Melting Point | 178-179 °C(Solv: ethanol (64-17-5); water (7732-18-5)) |
pKa | 6.03±0.42(Predicted) |