Used as a key intermediate in the synthesis of proton pump inhibitors (PPIs), particularly in the production of tenatoprazole and related anti-ulcer agents. Its structure enables selective inhibition of gastric acid secretion by targeting H+/K+-ATPase in the stomach lining. Commonly employed in pharmaceutical research and development for gastrointestinal disorders, especially in long-acting formulations due to its enhanced metabolic stability. Also utilized in studies exploring improved acid control in nocturnal acid breakthrough and severe gastroesophageal reflux disease (GERD).