This chemical is widely used in bioconjugation and click chemistry applications due to its unique structure, which includes a PEG linker, a Boc-protected amine, and a propargyl group. The PEG linker enhances solubility and biocompatibility, making it suitable for modifying biomolecules like proteins, peptides, and antibodies. The Boc-protected amine allows for controlled deprotection and further functionalization, while the propargyl group enables efficient conjugation via copper-catalyzed azide-alkyne cycloaddition (CuAAC). It is particularly valuable in drug delivery systems, where it facilitates the attachment of targeting ligands or therapeutic payloads. Additionally, it is employed in the development of diagnostic probes and bioconjugate vaccines, leveraging its ability to create stable and specific linkages. Its versatility also extends to materials science, where it is used to modify surfaces or polymers for biomedical applications.