mPEG12-Mal Product Catalog # Size Price (USD) Quantity mPEG12-Mal281002-500MG500 mg$520.00 - mPEG12-Mal-500mg quantity + mPEG12-Mal281002-1G1 g$780.00 - mPEG12-Mal-1g quantity + Add to cart Description Molecular Formula: C32H58N2O15 Molecular Weight: 710.8