Product Description H2N-PEG5-CH2CH2NH2 Other Details Molecular Formula: C12H28N2O5 Molecular Weight: 280.4 CAS Number: 72236-26-1 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 100mg Leadtime:50 Days Sizes 2: 250mg Leadtime:50 Days Sizes 3: 1g Leadtime:50 Days