Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of kinase inhibitors and anti-cancer agents. Its structure supports the formation of biologically active molecules by serving as a building block in heterocyclic chemistry. Commonly employed in medicinal chemistry for modifying indole-based scaffolds to enhance binding affinity and selectivity toward specific enzyme targets. Also utilized in the preparation of serotonin receptor modulators and other neuroactive compounds. Its carboxylic and nitrile functional groups allow for diverse derivatization, making it valuable in drug discovery and optimization processes.