Product Description Sivelestat Other Details Molecular Formula: C20H22N2O7S Molecular Weight: 434.46 CAS Number: 127373-66-4 Minimum Purity: 98% (HPLC) UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1mg Leadtime:20 Days Sizes 2: 5mg Leadtime:20 Days Sizes 3: 0 Leadtime:0