Product Description Azido-PEG4-alcohol Other Details Molecular Formula: C8H17N3O4 Molecular Weight: 219.24 CAS Number: 86770-67-4 Minimum Purity: 98% (GC) UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 250mg Leadtime:20 Days Sizes 2: 1g Leadtime:20 Days Sizes 3: 5g Leadtime:20 Days