Product Description H2N-PEG8-CH2CH2COOH Other Details Molecular Formula: C19H39NO10 Molecular Weight: 441.5 CAS Number: 756526-04-2 Minimum Purity: 0.9 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 100mg Leadtime:20 Days Sizes 2: 500mg Leadtime:20 Days Sizes 3: 0 Leadtime:0