This chemical is primarily utilized in bioconjugation and click chemistry applications due to its azide functional group, which enables efficient and selective reactions with alkyne-containing molecules. The PEG (polyethylene glycol) chains enhance solubility in aqueous environments, making it suitable for modifying biomolecules like proteins, peptides, or antibodies without compromising their stability or functionality. The t-butyl ester groups provide protection for carboxylic acids, which can be deprotected later for further functionalization. This compound is particularly valuable in drug delivery systems, where it aids in the targeted attachment of therapeutic agents to carriers or biomarkers. Additionally, its structure supports the development of bioconjugates for diagnostic imaging, biosensing, and other biomedical research applications.