mPEG3-NH2 Product Catalog # Size Price (USD) Quantity mPEG3-NH2281201-1G1 g$120.00 - mPEG3-NH2-1g quantity + mPEG3-NH2281201-5G5 g$360.00 - mPEG3-NH2-5g quantity + Add to cart Description Synonym: 2,5,8-trioxatridecane-10-amine CAS #: 74654-07-2 Molecular Formula: C7H17NO3 Molecular Weight: 163.2