Dimethyl Sulfoxide (DMSO) is a colorless, odorless, highly polar aprotic solvent with the formula (CH3)2SOopen paren cap C cap H sub 3 close paren sub 2 cap S cap O(??3)2??. It is widely used in chemical, industrial, and pharmaceutical fields for its ability to dissolve both polar and non-polar compounds, and for its rapid, high-penetration ability across biological membranes.