HO-PEG9-OH Product Catalog # Size Price (USD) Quantity HO-PEG9-OH281605-1G1 g$206.00 - HO-PEG9-OH-1g quantity + HO-PEG9-OH281605-5G5 g$363.00 - HO-PEG9-OH-5g quantity + Add to cart Description Synonym: Nonaethylene glycol CAS #: 3386-18-3 Molecular Formula: C18H38O10 Molecular Weight: 414.5