Product Description H2N-PEG2-tBu Other Details Molecular Formula: C11H23NO4 Molecular Weight: 233.3 CAS Number: 756525-95-8 Minimum Purity: 0.95 UN Number: N/A Dangerous Goods Class: N/A Packing Group: N/A Storage Temperature: N/A Sizes 1: 100mg Leadtime:50 Days Sizes 2: 250mg Leadtime:50 Days Sizes 3: 1g Leadtime:50 Days