DBCO-PEG-NHS ester, MW 1,000 is an azide reactive PEGylation reagent. DBCO reacts with azide (N3) efficiently without the presence of Cu catalyst, which known to be highly toxic for cells. The NHS-ester is reactive with amine at pH 6.5 to 7.5 to form a stable amide bond. Reagent grade, for research purpose.
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