Product Description Clevidipine butyrate Other Details Molecular Formula: C21H23Cl2NO6 Molecular Weight: 456.32 CAS Number: 167221-71-8 Minimum Purity: 0.97 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: 0 Leadtime:0