Product Description mPEG4-CH2CH2COOH Other Details Molecular Formula: C12H24O7 Molecular Weight: 280.3 CAS Number: 81836-43-3 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1g Leadtime:20 Days Sizes 2: 5g Leadtime:20 Days Sizes 3: 0 Leadtime:0