Product Description mPEG4-NHS Other Details Molecular Formula: C16H27NO9 Molecular Weight: 377.4 CAS Number: 874208-94-3 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 100mg Leadtime:20 Days Sizes 2: 1g Leadtime:20 Days Sizes 3: 0 Leadtime:0