mPEG6-Mal Product Catalog # Size Price (USD) Quantity mPEG6-Mal281001-500MG500 mg$265.00 - mPEG6-Mal-500mg quantity + mPEG6-Mal281001-1G1 g$398.00 - mPEG6-Mal-1g quantity + Add to cart Description Molecular Formula: C20H34N2O9 Molecular Weight: 446.5