mPEG3-CH2CH2COOH Product Catalog # Size Price (USD) Quantity mPEG3-CH2CH2COOH280801-1G1 g$231.00 - mPEG3-CH2CH2COOH-1g quantity + mPEG3-CH2CH2COOH280801-5G5 g$485.00 - mPEG3-CH2CH2COOH-5g quantity + Add to cart Description CAS #: 67319-28-2 Molecular Formula: C10H20O6 Molecular Weight: 236.3