Product Description 1-Azido-4-isocyanatobutane Other Details Molecular Formula: C5H8N4O Molecular Weight: 140.14 CAS Number: 177489-76-8 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: 1g Leadtime:20 Days Sizes 3: 5g Leadtime:20 Days