Product Description 4-Hydroxy-3-methyl-5H-furan-2-one Other Details Molecular Formula: C5H6O3 Molecular Weight: 114.099 CAS Number: 516-09-6 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: 5g Leadtime:20 Days