mPEG5-NH2 Product Catalog # Size Price (USD) Quantity mPEG5-NH2281203-1G1 g$287.00 - mPEG5-NH2-1g quantity + mPEG5-NH2281203-5G5 g$645.00 - mPEG5-NH2-5g quantity + Add to cart Description Synonym: 2,5,8,11,14-Pentaoxahexadecan-16-amine CAS #: 5498-83-9 Molecular Formula: C11H25NO5 Molecular Weight: 251.3