Mal-PEG8-PFE Product Catalog # Size Price (USD) Quantity Mal-PEG8-PFE282807-500MG500 mg$550.00 - Mal-PEG8-PFE-500mg quantity + Mal-PEG8-PFE282807-1G1 g$850.00 - Mal-PEG8-PFE-1g quantity + Add to cart Description Synonym: Maleimide-NH-PEG8-CH2CH2COOPFE Ester Molecular Formula: C32H43N2O13F5 Molecular Weight: 758.7