5-Amino-2-mercaptobenzimidazole is widely used in the pharmaceutical industry as a key intermediate in the synthesis of various drugs, particularly those with anti-inflammatory, antiviral, and anticancer properties. Its unique structure allows it to act as a building block for creating complex molecules that target specific biological pathways. Additionally, it finds applications in the production of corrosion inhibitors, where it helps protect metal surfaces from degradation in industrial environments. In the field of organic synthesis, it serves as a versatile reagent for constructing heterocyclic compounds, which are essential in developing agrochemicals and dyes. Its ability to form stable complexes with metals also makes it useful in analytical chemistry for metal ion detection and separation processes.