In the realm of fine chemicals, understanding the precise profile and potential applications of each compound is crucial for successful research and manufacturing. 3-Pyridinesulfonic Acid, cataloged under CAS number 636-73-7, is a compound that exemplifies this importance, serving as a critical link in the synthesis of valuable pharmaceutical products. Nanjing Xinbell Pharmaceutical Technology Co., Ltd. plays a significant role in making this essential chemical accessible to the global market, ensuring high standards of purity and quality.

The chemical identity of 3-Pyridinesulfonic Acid is defined by its formula C5H5NO3S and a molecular weight of 159.16. Presented typically as a white powder, it exhibits a high melting point, exceeding 300°C, and possesses a pKa value of -2.30±0.18 (predicted), indicative of its acidic nature. These physical and chemical properties are vital for its performance as a pharmaceutical intermediate, particularly in its well-documented role as a Vonoprazan Fumarate intermediate. The demand for high purity (>98%) ensures that when companies buy 3-Pyridinesulfonic Acid, they are acquiring a compound suitable for sensitive synthesis reactions, thereby securing the quality of subsequent production stages.

The applications of 3-Pyridinesulfonic Acid are diverse, spanning from its primary use in pharmaceutical synthesis to broader roles in scientific research and laboratory analysis. As a key component in the production of Vonoprazan Fumarate, it directly contributes to the availability of treatments for specific medical conditions. Beyond this, its predictable chemical behavior makes it an excellent reagent for various chemical synthesis processes. Nanjing Xinbell Pharmaceutical Technology Co., Ltd., with its GMP, ISO 9001, and FDA certifications, guarantees that the 3-Pyridinesulfonic Acid pharmaceutical intermediate they supply adheres to the strictest international quality benchmarks. This reliability is a critical factor for clients worldwide.

Furthermore, the company’s capacity for custom synthesis provides an added layer of value. This allows researchers and manufacturers to explore innovative applications or develop specialized variants of 3-Pyridinesulfonic Acid to meet unique project requirements. By offering both standard, high-quality products and bespoke chemical services, Nanjing Xinbell Pharmaceutical solidifies its position as a comprehensive solution provider in the chemical industry. Their dedication to advancing chemical synthesis through reliable intermediates like 3-Pyridinesulfonic Acid makes them an indispensable partner for progress.