HO-PEG12-tBu Product Catalog # Size Price (USD) Quantity HO-PEG12-tBu280505-1G1 g$343.00 - HO-PEG12-tBu-1g quantity + HO-PEG12-tBu280505-5G5 g$878.00 - HO-PEG12-tBu-5g quantity + Add to cart Description CAS #: 892154-71-1 Molecular Formula: C21H62O15 Molecular Weight: 674.8