Hexacyclen, also referred to as cycloalkene, is an organic compound characterized by its distinct macrocyclic structure encompassing six nitrogen-containing rings. This compound is primarily utilized as a chelating agent in both chemistry and biochemistry fields for its proficiency in binding metal ions. Additionally, Hexacyclen serves as an inhibitor of specific diseases, including cancer, and plays a significant role in biochemistry for the selective binding of metal ions within proteins or enzymes to facilitate the study of their structure and functionality. Despite its impressive attributes, the compound's considerable size and intricate structure limit its use in everyday products or applications.