HO-PEG7-OH Product Catalog # Size Price (USD) Quantity HO-PEG7-OH281603-5G5 g$275.00 - HO-PEG7-OH-5g quantity + HO-PEG7-OH281603-25G25 g$647.00 - HO-PEG7-OH-25g quantity + Add to cart Description Synonym: Heptaethylene Glycol CAS #: 5617-32-3 Molecular Formula: C14H30O8 Molecular Weight: 326.4