Pyridine-4-sulfonyl Chloride, identified by CAS number 134479-04-2, is a compound of significant interest within the chemical industry due to its distinct properties and broad applicability. With a molecular formula of C5H4ClNO2S and a molecular weight of approximately 177.61, this chemical intermediate offers a reactive sulfonyl chloride group attached to a pyridine ring. These characteristics are fundamental to its utility in various synthetic pathways.

The physical properties of Pyridine-4-sulfonyl Chloride, such as its appearance as a brown powder and its boiling point of 284℃, are important for handling and process design. Its flash point of 126℃ and density of 1.488 further inform its safe usage and storage protocols. Understanding these specifications is vital for any manufacturer or researcher looking to buy or utilize this compound.

In terms of chemical applications, Pyridine-4-sulfonyl Chloride primarily functions as a key intermediate. Its sulfonyl chloride moiety is highly electrophilic, making it an excellent reagent for nucleophilic substitution reactions. This reactivity allows chemists to introduce the pyridylsulfonyl functional group into a wide range of organic molecules. This is particularly relevant in the synthesis of pharmaceuticals, agrochemicals, and specialty materials where precise molecular architecture is critical.

For those involved in organic synthesis, Pyridine-4-sulfonyl Chloride serves as a valuable building block. Its availability from reliable suppliers, often citing origins in China, ensures that researchers and manufacturers can source this compound with confidence. When considering the price of Pyridine-4-sulfonyl Chloride, it's important to balance cost with the guaranteed purity and quality necessary for reproducible results in complex syntheses.

The significance of Pyridine-4-sulfonyl Chloride also lies in its role in the development of novel compounds. As scientists continue to explore new chemical entities, intermediates like this provide the essential framework for innovation. Partnering with a knowledgeable chemical supplier who understands the nuances of these reactive intermediates is key to successful R&D and production.