Azide-PEG-CH2CO2H, MW 5,000 is a click chemistry PEG polymer, azide undergoes click chemistry with alkyne group, such as DBCO or BCN molecules. Carboxylic acid can conjugate with amine containing molecules such as protein, peptide in the presence of coupling reagent, HATU or EDC to form a stable amide bond. Reagent grade, for research purpose.
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