2-Fluoro-5-sulfinobenzoic acid is primarily utilized in organic synthesis as a building block for more complex chemical compounds. Its unique structure, featuring both a sulfinyl group and a fluorine atom, makes it valuable in the development of pharmaceuticals, particularly in the creation of active pharmaceutical ingredients (APIs). The sulfinyl group can act as a versatile intermediate in oxidation reactions, while the fluorine atom enhances the biological activity and stability of the resulting compounds. Additionally, it is employed in the research and development of agrochemicals, where its properties contribute to the synthesis of herbicides and pesticides with improved efficacy. Its role in material science is also noteworthy, as it can be used to modify polymers and coatings to achieve specific chemical and physical properties.