Product Description Azido-PEG7-azide Other Details Molecular Formula: C16H32N6O7 Molecular Weight: 420.46 CAS Number: 225523-86-4 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 250mg Leadtime:20 Days Sizes 2: 500mg Leadtime:20 Days Sizes 3: 1g Leadtime:20 Days