Used as a key intermediate in the synthesis of pharmaceuticals, particularly in the development of serotonin receptor modulators. Its structure supports the creation of bioactive molecules targeting neurological and psychiatric disorders. Commonly employed in research settings for generating indole-based compound libraries for drug discovery. Also utilized in agrochemical research for designing new active ingredients with potential pesticidal or herbicidal activity. The nitrile and chloro functional groups allow for further chemical modifications, making it valuable in organic synthesis and medicinal chemistry.