AH 6809 is primarily used in research settings as a potent antagonist of prostaglandin receptors, particularly the EP1 and EP2 subtypes. It is widely utilized in pharmacological studies to investigate the role of prostaglandins in various physiological processes, such as inflammation, pain, and smooth muscle contraction. By blocking these receptors, AH 6809 helps researchers understand the signaling pathways involved in these processes and their potential therapeutic targets. Additionally, it is employed in studies related to cardiovascular function, renal physiology, and reproductive biology, where prostaglandins play a significant role. Its application extends to in vitro and in vivo experiments, making it a valuable tool for exploring the complex mechanisms of prostaglandin-mediated responses.