mPEG24-CH2CH2COOH Product Catalog # Size Price (USD) Quantity mPEG24-CH2CH2COOH280812-250MG250 mg$459.00 - mPEG24-CH2CH2COOH-250mg quantity + mPEG24-CH2CH2COOH280812-1G1 g$1,057.00 - mPEG24-CH2CH2COOH-1g quantity + Add to cart Description Molecular Formula: C52H104O27 Molecular Weight: 1161.4