Used as a coupling agent in the synthesis of prodrugs and bioconjugates due to its thiol group, enabling attachment to active pharmaceutical ingredients for controlled release. Employed in the preparation of chelating resins for metal ion removal in water treatment and industrial processes. Serves as a building block in organic synthesis, particularly in the development of sulfhydryl-containing compounds for research in biochemistry and medicinal chemistry. Also utilized in the formulation of some polymer systems to modify reactivity and cross-linking behavior.