WAY-313137 is primarily used in scientific research to study the serotonin 5-HT6 receptor system. It acts as a potent and selective antagonist at this receptor, making it a valuable tool for investigating cognitive functions, memory processes, and potential pathways involved in neurodegenerative diseases such as Alzheimer's. Due to its selectivity, it helps researchers isolate the effects of 5-HT6 receptor modulation without significant interference from other neurotransmitter systems. It has also been explored for its potential effects on behavioral and psychological symptoms in animal models, contributing to the development of novel therapeutics for central nervous system disorders. Its application remains confined to preclinical research and is not used in clinical or therapeutic settings.