Used as an intermediate in the synthesis of fluorinated pharmaceuticals and agrochemicals. Its sulfonyl chloride and carboxylic acid functional groups allow for sequential derivatization, making it valuable in constructing complex molecules. Commonly employed in the preparation of sulfonamide-based bioactive compounds, including kinase inhibitors and other medicinal agents. Also utilized in the development of dyes and specialty polymers where fluorine substitution enhances stability and electronic properties.