Used in pharmaceutical research as an intermediate for synthesizing bioactive compounds targeting neurological disorders. Commonly employed in the development of serotonin receptor modulators due to its indole backbone, which mimics natural neurotransmitters. Also utilized in the preparation of fluorescent probes for cellular imaging, leveraging its structural compatibility with aromatic systems. Serves as a building block in the synthesis of potential anticancer agents, particularly in studies involving kinase inhibition. Its bromine functionality allows for further functionalization via cross-coupling reactions, making it valuable in medicinal chemistry for creating compound libraries.