Product Description Tolbutamide Other Details Molecular Formula: C12H18N2O3S Molecular Weight: 270.35 CAS Number: 64-77-7 Minimum Purity: 99% (HPLC), powder UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 25mg Leadtime:20 Days Sizes 2: 250mg Leadtime:20 Days Sizes 3: 0 Leadtime:0