Benzothiophene is an organic compound that consists of a fused ring structure made up of a benzene ring and a thiophene ring. Its chemical formula is C8H6S, and it is known for its aromatic properties. Benzothiophene is often used in organic synthesis and can serve as a building block for various chemical compounds. This compound is found in some natural products and can also be produced through the combustion of fossil fuels. Benzothiophene derivatives are of interest in fields like pharmaceuticals and materials science due to their unique chemical properties and potential applications.