HS-PEG8-CH2CH2COOH Product Catalog # Size Price (USD) Quantity HS-PEG8-CH2CH2COOH282704-1G1 g$762.00 - HS-PEG8-CH2CH2COOH-1g quantity + HS-PEG8-CH2CH2COOH282704-5G5 g$1,965.00 - HS-PEG8-CH2CH2COOH-5g quantity + Add to cart Description CAS #: 866889-02-3 Molecular Formula: C19H38O10S Molecular Weight: 458.6