Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of vasodilators and cardiotonic agents. It plays a role in the production of drugs that enhance cardiac muscle contraction and improve blood flow. Its structure allows for derivatization to form biologically active compounds, making it valuable in medicinal chemistry for designing new therapeutic agents. Also employed in research settings for studying heterocyclic compound reactivity and for developing novel pyridazine-based molecules with potential biological activity.