Product Description Methyl L-pyroglutamate Other Details Molecular Formula: C6H9NO3 Molecular Weight: 143.14 CAS Number: 4931-66-2 Minimum Purity: 0.95 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