Product Name: Vardenafil CAS NO.: 224789-15-5 Molecular Formula: C23H32N6O4S Appearance: White to almost white crystalline powder, odorless, a little acerbity,soluble in water, ethanol Specification: Assay:99%; MP: 192; Loss on drying: 0.% ; Heavy Metals: 20 ppm Use: It is pharmaceutical raw material, indicated for the treatment of erectile dysfunction. Pls find our main products as follows: S063 191 Sildenafil-d8 S064 192 Homosildenafil S065 193 Hydroxyhomosildenafil S066 194 Norneosildena T172 203 Tadalafil-d3 V052 218 Vardenafil-d5 Sildenafil Citrate Email:hubeizd at gmail dot com