C7H9N is the chemical formula for a compound known as 2-phenylethylamine. This organic compound consists of seven carbon atoms, nine hydrogen atoms, and one nitrogen atom. It is often found in various natural sources and is known for its role in the synthesis of certain neurotransmitters. In addition to its presence in nature, C7H9N is used in the production of various pharmaceuticals and chemicals. Its structure allows it to interact with biological systems, making it significant in fields such as biochemistry and medicinal chemistry.