Product Description Allantoin Other Details Molecular Formula: C4H6N4O3 Molecular Weight: 158.12 CAS Number: 97-59-6 Minimum Purity: >98% (HPLC) UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 25mg Leadtime:20 Days Sizes 2: 100mg Leadtime:20 Days Sizes 3: 1g Leadtime:20 Days