Used primarily in pharmaceutical research as a key intermediate in the synthesis of selective serotonin reuptake inhibitors (SSRIs). Its structure supports the development of compounds targeting central nervous system disorders, particularly depression and anxiety. The molecule’s indole core and amine functionality enhance binding affinity to serotonin transporters, making it valuable in optimizing drug efficacy and metabolic stability. It is also explored in the design of novel neuroactive agents due to its favorable solubility and salt-forming properties when combined with fumaric acid.