1,3,2-Dioxathiolane 2,2-dioxide, also known as dioxathiolane S-oxide, is a sulfur-containing heterocyclic compound with the molecular formula C3H6O3S. This compound features a dioxathiolane ring structure, characterized by its unique arrangement of sulfur and oxygen atoms. It is primarily used in organic synthesis and as a reagent in various chemical reactions. Due to the presence of both sulfur and oxygen, it exhibits distinct reactivity that can be exploited in the formation of more complex organic molecules. Research into its applications spans pharmaceuticals, agrochemicals, and materials science, highlighting its versatility and significance in synthetic chemistry.