Product Description mPEG11-NH2 Other Details Molecular Formula: C23H49NO11 Molecular Weight: 515.6 CAS Number: 854601-60-8 Minimum Purity: 0.95 UN Number: N/A Dangerous Goods Class: N/A Packing Group: N/A Storage Temperature: N/A Sizes 1: 500mg Leadtime:20 Days Sizes 2: 1g Leadtime:20 Days Sizes 3: 0 Leadtime:0