Product Name: Sildenafil Synonyms: 5-[2-Ethoxy-5-(4-methylpiperazin-1-yl-sulphonyl)phenyl]-1-methyl-3-n-propyl-1,6-dihydro-7H-pyrazol[4,3d]pyrimidin-7-one; 5-{2-ethoxy-5-[(4-methylpiperazin-1-yl)sulfonyl]phenyl}-1-methyl-3-propyl-1,4-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one CAS RN.: 139755-83-2 EINECS: Add Molecular Weight: 474.5764 Molecular Formula: C22H30N6O4S Density: 1.39g/cm3 Boiling Point(℃): 672.4°C at 760 mmHg Flash Point(℃): 360.5°C refractive_index: 1.664 Hazard Symbols: Add Details Risk Codes: Add Details Safety Description: Add Details