This chemical is primarily used in the field of bioconjugation and protein engineering. It serves as a linker molecule for attaching functional groups or biomolecules, particularly in the development of drug delivery systems and targeted therapies. Its disulfide bond allows for reversible conjugation, making it useful in creating stimuli-responsive systems that release payloads under specific conditions, such as in the presence of reducing agents in cancer cells. Additionally, it is employed in surface modification of nanoparticles and polymers to enhance biocompatibility and enable precise control over molecular interactions in biomedical applications.