This compound is widely used in bioconjugation and click chemistry applications. It serves as a linker or spacer in the synthesis of peptide-based drugs, enabling the attachment of functional groups or biomolecules. Its propargyl group allows for efficient copper-catalyzed azide-alkyne cycloaddition (CuAAC) reactions, making it valuable in the development of targeted drug delivery systems and diagnostic probes. Additionally, the T-Boc protecting group ensures selective deprotection during complex organic syntheses, particularly in peptide and polymer chemistry. Its PEG (polyethylene glycol) segment enhances solubility and biocompatibility, making it suitable for pharmaceutical and biomedical research.