Product Description H2N-PEG8-tBu Other Details Molecular Formula: C23H47NO10 Molecular Weight: 497.6 CAS Number: 756526-06-4 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