HO-PEG5-OH Product Catalog # Size Price (USD) Quantity HO-PEG5-OH281601-5G5 g$185.00 - HO-PEG5-OH-5g quantity + HO-PEG5-OH281601-25G25 g$330.00 - HO-PEG5-OH-25g quantity + Add to cart Description Synonym: Pentaethylene glycol CAS #: 4792-15-8 Molecular Formula: C10H22O6 Molecular Weight: 238.3