HS-PEG6-CH2CH2COOH Product Catalog # Size Price (USD) Quantity HS-PEG6-CH2CH2COOH282703-1G1 g$680.00 - HS-PEG6-CH2CH2COOH-1g quantity + HS-PEG6-CH2CH2COOH282703-5G5 g$1,643.00 - HS-PEG6-CH2CH2COOH-5g quantity + Add to cart Description CAS #: 1347750-77-9 Molecular Formula: C15H30O8S Molecular Weight: 370.5