Product Description Mal-PEG2-COOH Other Details Molecular Formula: C14H20N2O7 Molecular Weight: 328.3 CAS Number: 756525-98-1 Minimum Purity: 0.95 UN Number: 0 Dangerous Goods Class: 0 Packing Group: 0 Storage Temperature: 0 Sizes 1: 1g Leadtime:50 Days Sizes 2: 0 Leadtime:0 Sizes 3: 0 Leadtime:0