Used primarily as an intermediate in the synthesis of pharmaceuticals and agrochemicals. It plays a key role in the preparation of heterocyclic compounds, especially in the formation of indoles and benzimidazoles, which are core structures in many biologically active molecules. Commonly employed in research settings for the development of new drug candidates, particularly in oncology and antimicrobial therapy. Also utilized in the production of dyes and functional materials where hydrazine derivatives contribute to specific reactivity or stability. Its bromo and hydrazine functional groups allow for selective cross-coupling and cyclization reactions, making it valuable in organic synthesis and medicinal chemistry workflows.