Product Description Boc-trans-DL-b-Pro-4-(2-naphthyl)-OH Other Details Molecular Formula: C20H23NO4 Molecular Weight: 341.41 CAS Number: 959583-04-1 Minimum Purity: 0.98 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: 250mg Leadtime:20 Days