Used as a key intermediate in the synthesis of pharmaceuticals and agrochemicals, particularly in the development of sulfonate-based compounds. Its electrophilic nature makes it valuable for introducing sulfonyl groups into organic molecules, aiding in the creation of sulfonamides which are common motifs in bioactive compounds. Frequently employed in medicinal chemistry for modifying drug candidates to enhance metabolic stability and binding affinity. Also utilized in the preparation of functional materials and specialty chemicals where fluorinated groups improve lipophilicity and chemical resistance.