Used as a key intermediate in the synthesis of angiotensin II receptor antagonists, particularly in the production of antihypertensive drugs like candesartan and similar sartan-class medications. Its tetrazole ring mimics the carboxylic acid group in biological systems, enhancing binding affinity to the AT1 receptor. Widely utilized in pharmaceutical development for its metabolic stability and bioavailability when incorporated into active drug molecules. Also employed in research for designing new bioactive compounds due to its favorable pharmacokinetic properties.