Product Description Boc-met-enkephalin Other Details Molecular Formula: C32H43N5O9S Molecular Weight: 673.8 CAS Number: 59481-77-5 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 100mg Leadtime:65 Days Sizes 2: 250mg Leadtime:65 Days Sizes 3: 500mg Leadtime:65 Days