C7H5ClO is the chemical formula for a compound known as chlorobenzene. It consists of seven carbon atoms, five hydrogen atoms, one chlorine atom, and one oxygen atom. This compound is often used in the production of various chemicals and as a solvent in industrial applications. Chlorobenzene is a colorless liquid with a sweet odor and is primarily used in the synthesis of other organic compounds. It is important in the manufacture of pesticides, dyes, and pharmaceuticals, making it a significant compound in the chemical industry. Its properties and applications are studied in fields like organic chemistry and industrial chemistry.