Product Description Cucurbitacin B hydrate Other Details Molecular Formula: C32H46O8 . xH2O Molecular Weight: 558.70 (anhydrous basis) CAS Number: 6199-67-3 Minimum Purity: ≥97% UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 5mg Leadtime:20 Days Sizes 2: 25mg Leadtime:20 Days Sizes 3: 0 Leadtime:0