DBCO-PEG4-tri-(carboxyethoxymethyl)-methane constitutes a branched PEG linker that includes DBCO for copper-free click reactions and three terminal carboxyl groups for reacting with primary amines in the presence of activators like HATU. The PEG linkers bolster the hydrophilicity of the molecule. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.
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