Product Description Tetrahydro-4H-pyran-4-one Other Details Molecular Formula: C5H8O2 Molecular Weight: 100.12 CAS Number: 29943-42-8 Minimum Purity: 98% (GC) UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 5g Leadtime:20 Days Sizes 2: 25g Leadtime:20 Days Sizes 3: 100g Leadtime:20 Days