Product Description L-Histidine Other Details Molecular Formula: C6H9N3O2 Molecular Weight: 155.15 CAS Number: 71-00-1 Minimum Purity: 0.98 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