Product Description: Azide-PEG-Silane, MW 5000 is a heterobifunctional polyPEG for surface grafting through reaction between hydroxyl and ethoxyl silane. The polymer through its azide moiety can react with a terminal alkyne via CuAAC or with a cyclooctyne (DBCO/BCN) via SPAAC to form a covalent triazole bond. Reagent grade, for research use only.