Product Description: Coumarin-6-sulfonyl chloride is a compound belonging to the class of sulfonyl chlorides. It is derived from coumarin, an aromatic organic compound. Coumarin-6-sulfonyl chloride is often used as a reagent in the synthesis of other organic compounds in organic chemistry. Light yellow in appearance, soluble in organic solvents such as dichloromethane and tetrahydrofuran.