mPEG16-CH2CH2COOH Product Catalog # Size Price (USD) Quantity mPEG16-CH2CH2COOH280811-250MG250 mg$375.00 - mPEG16-CH2CH2COOH-250mg quantity + mPEG16-CH2CH2COOH280811-1G1 g$920.00 - mPEG16-CH2CH2COOH-1g quantity + Add to cart Description Molecular Formula: C36H72O19 Molecular Weight: 808.9