AR-C102222 hydrochloride is primarily utilized in the field of neuroscience research due to its role as a selective agonist for the 5-HT2C receptor. This receptor is implicated in various neurological and psychiatric conditions, making the compound valuable for studying its effects on behaviors such as anxiety, depression, and appetite regulation. Researchers employ it to investigate the receptor's signaling pathways and its potential as a therapeutic target. Additionally, it is used in preclinical studies to evaluate the efficacy and safety of novel treatments targeting 5-HT2C receptor modulation. Its application extends to exploring its impact on metabolic disorders and addiction, providing insights into complex biological processes.