2-Iodobenzoic acid hydrazide is primarily utilized in organic synthesis as a versatile building block for the preparation of various heterocyclic compounds. It serves as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of antimicrobial and antitumor agents. The hydrazide group in the molecule allows it to participate in condensation reactions, forming hydrazones, which are valuable in medicinal chemistry for their biological activity. Additionally, it is employed in the creation of Schiff bases, which are studied for their potential applications in catalysis and material science. The iodine atom in the structure also makes it useful in radiolabeling studies, aiding in the tracking and imaging of biochemical processes.