Widely used in bioconjugation and click chemistry applications, this compound serves as a versatile linker for attaching functional groups to biomolecules. Its azide group enables efficient reactions with alkynes via copper-catalyzed azide-alkyne cycloaddition (CuAAC), making it valuable for labeling proteins, peptides, and other biomolecules. The Boc-protected amine groups provide controlled deprotection, allowing for sequential modifications. Its PEG spacers enhance solubility and reduce steric hindrance, improving the efficiency of conjugation processes. This chemical is particularly useful in drug delivery systems, where it helps create stable and targeted conjugates, and in the development of diagnostic probes for imaging and detection.