WAY-353519 is primarily used in neuroscience research as a potent and selective antagonist for the 5-HT6 receptor subtype. Its main application lies in studying the role of serotonin signaling in cognitive functions, memory, and learning processes. Due to its high selectivity, it is employed in preclinical models to investigate potential treatments for neurodegenerative disorders such as Alzheimer's disease. It has also been utilized in behavioral studies to assess the impact of 5-HT6 receptor blockade on anxiety, depression, and schizophrenia-related symptoms. WAY-353519 serves as a valuable pharmacological tool for validating the therapeutic potential of 5-HT6 receptor modulation in central nervous system disorders.