1H-Pyrrole is a five-membered aromatic heterocyclic compound that contains one nitrogen atom in its ring structure. Its chemical formula is C4H5N, and it is known for its distinctive, pleasant odor. Pyrrole is a colorless liquid at room temperature and is soluble in organic solvents. It plays a significant role in various chemical reactions and is a building block for many important compounds. This compound is commonly found in nature, particularly in biological systems where it is a component of hemoglobin and chlorophyll. Pyrrole derivatives are also used in the synthesis of pharmaceuticals, dyes, and agrochemicals, making it an important substance in both industrial and research applications.