Used primarily in organic synthesis, this compound serves as a key intermediate in the production of various pharmaceuticals and agrochemicals. Its reactive sulfonyl and chloroethyl groups make it valuable for constructing complex molecules, particularly in the development of drugs targeting specific biological pathways. Additionally, it is employed in the modification of polymers to enhance their properties, such as solubility or reactivity, for specialized industrial applications. Its role in cross-linking reactions also makes it useful in material science for creating advanced polymers and coatings.