DBCO-PEG12-NH-Boc is a heterobifunctional reagent with a Boc-protected primary amine and a DBCO moiety. The DBCO is a strained cyclooctyne, optimal for labeling azide residues on a target molecule using click chemistry, while the deprotected primary amine can be used for reactions with carboxylic acids, aldehydes, or ketones.
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