Product Description BocNH-PEG2-CH2CH2N3 Other Details Molecular Formula: C11H22N4O4 Molecular Weight: 274.32 CAS Number: 950683-55-3 Minimum Purity: 0.97 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