Mal-PEG5-CH2CH2Mal Product Catalog # Size Price (USD) Quantity Mal-PEG5-CH2CH2Mal284002-1G1 g$487.00 - Mal-PEG5-CH2CH2Mal-1g quantity + Mal-PEG5-CH2CH2Mal284002-5G5 g$1,430.00 - Mal-PEG5-CH2CH2Mal-5g quantity + Add to cart Description CAS #: 113387-03-4 Molecular Formula: C20H28N2O9 Molecular Weight: 440.4