Isatin (CAS 91-56-5): A Versatile Intermediate for Pharmaceuticals, Dyes, and Organic Synthesis

Discover the essential role of Isatin (CAS 91-56-5) as a crucial intermediate in the chemical industry, powering advancements in pharmaceuticals, vibrant dyes, and complex organic synthesis. Explore its properties and applications from a leading supplier.

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Why Choose Our Isatin?

Consistent Quality & Purity

Our Isatin meets stringent quality standards, typically offering ≥98.0% purity, making it suitable for demanding pharmaceutical and fine chemical applications. We provide detailed COAs and SDS for every batch.

Competitive Pricing & Availability

We offer competitive pricing for Isatin, especially for bulk orders. Our substantial annual capacity ensures a stable supply, allowing you to plan your production with confidence. Request a quote today to learn about current prices.

Expert Technical Support

Leverage our expertise in chemical synthesis and applications. Our technical team can assist you in identifying the best Isatin grades and applications for your specific needs, supporting your research and development.

Key Applications of Isatin

Pharmaceutical Synthesis

Isatin is a crucial starting material for synthesizing numerous biologically active compounds, including anticancer, antiviral, antimicrobial, and anti-epileptic drugs. Its derivatives are vital in developing novel therapeutic agents.

Dyes and Pigments

Historically significant, Isatin is an important intermediate in the production of vat dyes and pigments, contributing to vibrant colors in textiles and other materials. Its use ensures colorfastness and quality.

Organic Synthesis Building Block

The versatile reactivity of Isatin makes it an excellent building block for creating complex heterocyclic structures, quinolines, oxindoles, and spiro compounds, essential for advanced chemical research and product development.

Chemical Analysis Reagent

Isatin also serves as a reagent in chemical analysis, particularly for the determination of copper ions, mercaptans, and thiophene, demonstrating its utility beyond synthesis.