mPEG8-Mal Product Catalog # Size Price (USD) Quantity mPEG8-Mal281003-500MG500 mg$451.00 - mPEG8-Mal-500mg quantity + mPEG8-Mal281003-1G1 g$678.00 - mPEG8-Mal-1g quantity + Add to cart Description CAS #: 1334169-90-2 Molecular Formula: C24H42N2O11 Molecular Weight: 534.6