mPEG4-NH2 Product Catalog # Size Price (USD) Quantity mPEG4-NH2281202-1G1 g$133.00 - mPEG4-NH2-1g quantity + mPEG4-NH2281202-5G5 g$400.00 - mPEG4-NH2-5g quantity + Add to cart Description Synonym: 2,5,8,11-tetraoxatridecane-13-amine CAS #: 85030-56-4 Molecular Formula: C9H21NO4 Molecular Weight: 207.3