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