Mal-PEG3-Mal Product Catalog # Size Price (USD) Quantity Mal-PEG3-Mal282003-1G1 g$410.00 - Mal-PEG3-Mal-1g quantity + Mal-PEG3-Mal282003-5G5 g$1,163.00 - Mal-PEG3-Mal-5g quantity + Add to cart Description CAS #: 1008402-47-8 Molecular Formula: C22H30N4O9 Molecular Weight: 494.5