Used primarily in scientific research for its selective antagonism of 5-HT3 receptors, making it valuable in studying serotonin-mediated physiological processes. It has been investigated for its potential to modulate gastrointestinal motility and emesis, offering insights into treatments for nausea and vomiting, particularly in chemotherapy-induced models. Also employed in neuropharmacological studies to explore the role of serotonin in anxiety, cognition, and central nervous system disorders. Due to its high affinity and specificity, it serves as a useful tool compound in receptor binding assays and functional studies.