Product Description Combretastatin A4 Other Details Molecular Formula: C18H20O5 Molecular Weight: 316.35 CAS Number: 117048-59-6 Minimum Purity: 0.98 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1g Leadtime:65 Days Sizes 2: 0 Leadtime:0 Sizes 3: 0 Leadtime:0