HO-PEG4-tBu Product Catalog # Size Price (USD) Quantity HO-PEG4-tBu280502-5G5 g$386.00 - HO-PEG4-tBu-5g quantity + HO-PEG4-tBu280502-25G25 g$940.00 - HO-PEG4-tBu-25g quantity + Add to cart Description Molecular Formula: C15H30O7 Molecular Weight: 322.4