H2N-PEG3-tBu Product Catalog # Size Price (USD) Quantity H2N-PEG3-tBu280402-1G1 g$324.00 - H2N-PEG3-tBu-1g quantity + H2N-PEG3-tBu280402-5G5 g$767.00 - H2N-PEG3-tBu-5g quantity + Add to cart Description CAS #: 252881-74-6 Molecular Formula: C13H27NO5 Molecular Weight: 277.4