Biotin-PEG-Alk (MW 2000) is a biotin-labeled polyethylene glycol (PEG) derivative with an alkyne group for click chemistry applications. This compound efficiently binds to biotin targets via the alkyne moiety, facilitating copper-catalyzed azide-alkyne cycloaddition (CuAAC) and enhancing biotin-avidin interaction assays in bioconjugation processes like protein labeling. The hydrophilic nature of PEG ensures solubility in aqueous environments and minimal toxicity.
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