HO-PEG3-tBu Product Catalog # Size Price (USD) Quantity HO-PEG3-tBu280501-5G5 g$355.00 - HO-PEG3-tBu-5g quantity + HO-PEG3-tBu280501-25G25 g$853.00 - HO-PEG3-tBu-25g quantity + Add to cart Description CAS #: 186020-66-6 Molecular Formula: C13H26O6 Molecular Weight: 278.4