Product Description 3',4'-Dihydroxyflavone Other Details Molecular Formula: C15H10O4 Molecular Weight: 254.24 CAS Number: 4143-64-0 Minimum Purity: 0.97 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 200mg Leadtime:20 Days Sizes 2: 1g Leadtime:20 Days Sizes 3: 0 Leadtime:0