WAY-329595 is primarily used in scientific research as a selective antagonist for the 5-HT6 (serotonin 6) receptor. Its main application lies in neuroscience studies, particularly in investigating cognitive functions, memory formation, and neurodegenerative disorders such as Alzheimer's disease. Due to its ability to cross the blood-brain barrier and modulate serotonin activity, it has been utilized in preclinical models to assess the role of 5-HT6 receptors in learning and memory processes. It also serves as a tool compound in pharmacological studies exploring the potential of 5-HT6 receptor modulation in treating psychiatric conditions like schizophrenia and depression. Its use is currently restricted to laboratory and experimental settings, with no approved clinical applications in humans.