Used primarily as an intermediate in the synthesis of proton pump inhibitors (PPIs), this compound plays a key role in the development of medications that reduce stomach acid production. It is especially valuable in the preparation of drugs like lansoprazole and related derivatives, which are prescribed for the treatment of gastroesophageal reflux disease (GERD), peptic ulcers, and other acid-related disorders. Due to its functional groups and structural features, it enables efficient coupling reactions in multi-step pharmaceutical syntheses. Its stability and reactivity profile make it suitable for large-scale manufacturing of active pharmaceutical ingredients under controlled conditions.