High-Purity Chlorosulfonyl Isocyanate (CAS 1189-71-5): Your Trusted Pharmaceutical Intermediate Manufacturer & Supplier in China

Discover the critical role of Chlorosulfonyl Isocyanate (CSI) in advanced chemical synthesis. As a leading manufacturer and supplier in China, we provide high-purity CSI (CAS 1189-71-5) essential for pharmaceutical, polymer, and agrochemical applications. Request a quote and sample today!

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Key Advantages of Sourcing CSI from Us

Uncompromising Quality & Purity

Our Chlorosulfonyl Isocyanate (CAS 1189-71-5) consistently meets a purity of 99% min, crucial for sensitive pharmaceutical intermediate synthesis and ensuring optimal product performance.

Cost-Effective Pricing & Supply Chain

Leveraging our strong manufacturing base in China, we offer competitive wholesale prices and a stable supply chain, making it easier to buy high-quality CSI for your large-scale projects.

Expertise in Pharmaceutical Intermediates

With deep industry knowledge, we understand the stringent requirements for pharmaceutical intermediates. Partner with a trusted supplier for your critical raw material needs.

Diverse Applications of Chlorosulfonyl Isocyanate

Antibiotic Synthesis

Chlorosulfonyl Isocyanate is a key building block for potent antibiotics such as Cefuroxime and penems, driving innovation in the pharmaceutical sector.

Polymer Production

Its unique reactivity allows for the development of specialized polymers, contributing to advancements in material science and industrial applications.

Agrochemical Formulations

CSI serves as a vital intermediate in the synthesis of various agrochemicals, enhancing crop protection and agricultural yields for farmers worldwide.

Organic Synthesis Research

Researchers and scientists rely on the consistent quality of CSI (CAS 1189-71-5) for complex organic synthesis and the discovery of new chemical entities.