Product Description Vardenafil hydrochloride Other Details Molecular Formula: C23H32N6O4S.HCl Molecular Weight: 525.64 CAS Number: 224785-91-5 Minimum Purity: 99% (HPLC), powder UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 5mg Leadtime:20 Days Sizes 2: 25mg Leadtime:20 Days Sizes 3: 100mg Leadtime:20 Days