C8H8O is the chemical formula for a compound known as cinnamaldehyde, which is primarily responsible for the flavor and aroma of cinnamon. This organic compound is a colorless to yellowish liquid that is commonly used in food flavoring, perfumes, and essential oils. In addition to its culinary uses, C8H8O has potential applications in the pharmaceutical industry due to its antimicrobial and anti-inflammatory properties. It is also studied for its role in various chemical reactions, making it an important compound in organic chemistry.