Product Description 4,6-Diphenyl-2H-pyran-2-one Other Details Molecular Formula: C17H12O2 Molecular Weight: 248.28 CAS Number: 17372-52-0 Minimum Purity: 0.98 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