AC-55541 is primarily utilized in research settings as a selective agonist for the 5-HT2A receptor, which is a subtype of serotonin receptor. Its application is significant in neuroscience and pharmacology studies, where it helps in understanding the role of the 5-HT2A receptor in various physiological and psychological processes. Researchers use AC-55541 to investigate receptor signaling pathways, receptor-ligand interactions, and the effects of receptor activation on behavior and cognition. This compound is particularly valuable in studies related to mental health disorders, such as schizophrenia, depression, and anxiety, as the 5-HT2A receptor is implicated in these conditions. Additionally, AC-55541 aids in the development of potential therapeutic agents by serving as a tool to test hypotheses about receptor modulation and drug efficacy. Its use is confined to laboratory environments, where it contributes to advancing knowledge in neurochemistry and drug discovery.