mPEG6-CH2CH2COOH Product Catalog # Size Price (USD) Quantity mPEG6-CH2CH2COOH280804-1G1 g$287.00 - mPEG6-CH2CH2COOH-1g quantity + mPEG6-CH2CH2COOH280804-5G5 g$645.00 - mPEG6-CH2CH2COOH-5g quantity + Add to cart Description CAS #: 874208-91-0 Molecular Formula: C16H32O9 Molecular Weight: 368.4