English name: Win 55,212-2 Mesylate English Synonyms: Sildenafil Mesylate CAS: 131543-23-2 MF: C28H30N2O6S MW: 522.6126 Boiling point: 627.7 ° C at 760 mmHg Flash Point: 333.4 ° C Vapor Pressure: 1.14E-15mmHg at 25 ° C Properties:Solubility: 0.1 M HCl: 0.25 mg / mL Appearance: White or white crystalline powder, odorless, bitter astringent taste, soluble in water and ethanol Usage: Pharmaceutical …