Dimaprit dihydrochloride is widely used in pharmacological research as a selective histamine H2 receptor agonist. It is particularly valuable in studies aimed at understanding the role of histamine receptors in various physiological processes. Researchers utilize it to investigate gastric acid secretion, making it a key tool in exploring treatments for gastrointestinal disorders like ulcers and acid reflux. Additionally, it is employed in cardiovascular studies to examine the effects of histamine on heart rate and blood pressure. Its specificity for H2 receptors also makes it useful in neuropharmacology to study histamine's role in the central nervous system, including its impact on sleep-wake cycles and cognitive functions.