This compound serves as a crucial intermediate in the synthesis of proton pump inhibitors (PPIs), such as rabeprazole, which are widely used to treat gastrointestinal disorders including gastroesophageal reflux disease (GERD), peptic ulcers, and Zollinger-Ellison syndrome. Its unique pyridyl structure facilitates the construction of the API's core, contributing to the drugs' ability to inhibit gastric acid secretion effectively. In pharmaceutical research and development, it is utilized to optimize drug molecules for better stability, solubility, and therapeutic efficacy. It may also be involved in preclinical evaluations to assess safety and pharmacological properties, underscoring its role in advancing treatments for acid-related conditions.