Product Description Propargyl-PEG5-NHS ester Other Details Molecular Formula: C18H27NO9 Molecular Weight: 401.4 CAS Number: 1393330-40-9 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 25mg Leadtime:20 Days Sizes 2: 0 Leadtime:0 Sizes 3: 0 Leadtime:0