Pyridine-3-sulfonyl Chloride (CAS 16133-25-8) is a compound that plays a significant role in various chemical synthesis processes, especially within the pharmaceutical industry. For procurement managers and R&D scientists looking to source this vital chemical, understanding its properties, common synthesis routes, and application areas is crucial for making informed purchasing decisions. This article aims to provide a clear overview, guiding you on how to effectively buy Pyridine-3-sulfonyl Chloride from a trusted manufacturer.

Chemically, Pyridine-3-sulfonyl Chloride is characterized as a colorless to pale yellow liquid with a molecular formula of C5H4ClNO2S and a molecular weight of 177.61. Its notable properties include a high assay of 99% minimum, a density of 1.488, and a boiling point of 284℃. A critical aspect of its handling and application is its reactivity; it is sensitive to moisture and can hydrolyze, making proper storage conditions essential. Its primary applications include serving as a key intermediate in the synthesis of pharmaceuticals, most notably for TAK-438 (vonoprazan fumarate), and as a reagent for creating pyrimidine derivatives with therapeutic potential. For those seeking to buy this intermediate, its stability and reactive potential are key considerations.

The synthesis of Pyridine-3-sulfonyl Chloride typically involves reactions using precursors like 3-pyridinesulfonic acid. For example, treatment with thionyl chloride under controlled conditions can yield the desired product with high efficiency. Understanding the synthesis process allows for a better appreciation of the quality control measures employed by manufacturers. When you purchase Pyridine-3-sulfonyl Chloride, you are investing in a product that has undergone specific chemical transformations to achieve its required purity and reactivity for downstream applications.

As a leading supplier in the chemical industry, NINGBO INNO PHARMCHEM CO.,LTD. offers high-quality Pyridine-3-sulfonyl Chloride sourced and manufactured under strict quality protocols. We understand the importance of reliable supply chains and competitive pricing for our global clientele. If you are looking to buy Pyridine-3-sulfonyl Chloride for your pharmaceutical intermediate or custom synthesis needs, our team is ready to assist you. We provide comprehensive product documentation and responsive customer service, ensuring a smooth procurement process. Partner with us for your chemical sourcing requirements and experience the assurance of quality and reliability.