Product Description N3-Peg7-cooh Other Details Molecular Formula: C22H42N4O12 Molecular Weight: 554.6 CAS Number: 846549-37-9 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 50mg Leadtime:65 Days Sizes 2: 100mg Leadtime:65 Days Sizes 3: 250mg Leadtime:65 Days