Amino-Tri-(Azide-PEG10-ethoxymethyl)-methane HCl Salt is a branched PEGylation reagent containing an amino group with three azide groups. The amino group is reactive with carboxylic acids, activated NHS esters. . The azide group can react with alkyne, BCN, DBCO via Click Chemistry to yield a stable triazole linkage. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.