Product Description Pefloxacin mesylate dihydrate Other Details Molecular Formula: C17H20FN3O3.CH4O3S.2H2O Molecular Weight: 465.5 CAS Number: 149676-40-4 Minimum Purity: 0.98 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 250mg Leadtime:20 Days Sizes 2: 1g Leadtime:20 Days Sizes 3: 5g Leadtime:20 Days