This chemical is widely used in bioconjugation and click chemistry applications. Its structure, featuring PEG2 spacers and a Boc-protected amine, makes it highly suitable for creating stable linkages in drug delivery systems. The propargyl groups enable efficient copper-catalyzed azide-alkyne cycloaddition (CuAAC) reactions, allowing for precise attachment of molecules like peptides, proteins, or fluorescent tags. It is particularly valuable in the development of targeted therapeutics, where controlled release and biocompatibility are essential. Additionally, its PEGylated nature enhances solubility and reduces immunogenicity, making it ideal for biomedical research and therapeutic formulations.