Amino-bis-PEG3-TCO represents a bifunctional linker possessing an amino group that is reactive with carboxylic acids, activated NHS esters, carbonyls (ketone, aldehyde), etc., and two TCO groups that can rapidly react with tetrazine-bearing molecules. The PEG3 linkage bolsters the hydrophilicity of the compound. Reagent grade, for research purpose.
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