Mal-PEG8-COOH Product Catalog # Size Price (USD) Quantity Mal-PEG8-COOH282808-500MG500 mg$700.00 - Mal-PEG8-COOH-500mg quantity + Mal-PEG8-COOH282808-1G1 g$1,050.00 - Mal-PEG8-COOH-1g quantity + Add to cart Description CAS #: 1334177-86-4 Molecular Formula: C26H44N2O13 Molecular Weight: 592.6