Used as a sulfonating agent in organic synthesis, particularly in the preparation of sulfones and sulfonamides. It serves as a key intermediate in pharmaceutical manufacturing, where it introduces the isopropylsulfonyl group to modulate the reactivity or stability of active compounds. Commonly applied in the development of agrochemicals and bioactive molecules due to its ability to enhance lipophilicity and metabolic stability. Its reactivity allows for selective derivatization under controlled conditions, making it valuable in research and industrial settings for building complex sulfur-containing structures.