Not available outside of the UK & Ireland.
Application
Branched PEI-g-PEG, PEG Mn 550 was derived from Sigma-Aldrich Product 408727. Based upon an approximate Mw of 25,000 for the branched PEI, Product 900926 contains approximately 55 grafted PEG chains per PEI unit (by NMR).
This product has met the following criteria to qualify for the following awards: