HO-PEG8-OH Product Catalog # Size Price (USD) Quantity HO-PEG8-OH281604-5G5 g$325.00 - HO-PEG8-OH-5g quantity + HO-PEG8-OH281604-25G25 g$703.00 - HO-PEG8-OH-25g quantity + Add to cart Description Synonym: Octaethylene glycol CAS #: 5117-19-1 Molecular Formula: C16H34O9 Molecular Weight: 370.4