Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the production of drugs that require disulfide linkages for biological activity. Plays a role in the development of radiopharmaceuticals due to its ability to chelate metals and form stable complexes. Employed in biochemical research for modifying proteins and peptides by introducing disulfide bridges, aiding in structure-function studies. Also utilized in the preparation of functionalized surfaces and biosensors, where its disulfide bond enables reversible binding and self-assembled monolayer formation on gold surfaces. Shows utility in polymer chemistry as a crosslinking agent to enhance mechanical and thermal properties of materials.