Product Description Isoviolanthrone Other Details Molecular Formula: C34H16O2 Molecular Weight: 456.5 CAS Number: 128-64-3 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 10g Leadtime:20 Days Sizes 2: 0 Leadtime:0 Sizes 3: 0 Leadtime:0