Product Description Mal-PEG3-Mal Other Details Molecular Formula: C22H30N4O9 Molecular Weight: 494.5 CAS Number: 1008402-47-8 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: 250mg Leadtime:20 Days Sizes 3: 1g Leadtime:20 Days