In the intricate world of chemical synthesis, certain molecules serve as linchpins, enabling the creation of more complex and valuable compounds. 7-Nitrooxindole (CAS: 25369-31-7) is one such essential fine chemical intermediate. With its unique structural features, this compound is highly sought after by chemists and researchers for its role in developing pharmaceuticals, advanced materials, and other specialty chemicals. Understanding its properties and applications is key for any procurement manager or R&D scientist looking to source this vital ingredient.

The Chemistry of 7-Nitrooxindole: Properties and Purity

7-Nitrooxindole, with the chemical formula C8H6N2O3, boasts a molecular weight of 178.14 g/mol. Typically presenting as a dark orange powder, its purity is paramount for effective use in synthesis. A minimum purity of 97% is commonly specified by leading manufacturers, ensuring minimal side reactions and optimal yields. Its defined melting point of approximately 228-229°C further solidifies its character as a reliable solid intermediate. The presence of both the oxindole ring system and the nitro group imparts specific reactivity, making it a versatile substrate for further chemical modifications.

Key Applications Driving Demand

The demand for 7-Nitrooxindole is largely driven by its critical role as an intermediate in several key areas:

  • Pharmaceutical Development: As a precursor, 7-Nitrooxindole is instrumental in the synthesis pathways for various drug molecules. Its nitro group can be readily reduced or involved in other functionalization reactions, paving the way for the creation of potential therapeutic agents for a wide range of diseases.
  • Organic Synthesis: For chemists engaged in complex organic synthesis, 7-Nitrooxindole serves as a valuable building block. It allows for the introduction of specific functionalities into larger molecular structures, facilitating the creation of novel compounds for research and development.
  • Materials Science Research: The unique electronic and structural properties of nitro-aromatic compounds like 7-Nitrooxindole are being explored for applications in advanced materials, including organic electronics and specialized polymers.

Procuring 7-Nitrooxindole: What Buyers Need to Know

When considering the purchase of 7-Nitrooxindole, B2B buyers, including procurement managers and formulation scientists, should pay close attention to:

  • Purity and Specifications: Always verify that the supplier's product meets the required purity level (e.g., 97% min) and other critical specifications outlined in the technical data sheet.
  • Supplier Reputation: Choose manufacturers and suppliers with a demonstrated commitment to quality and reliability. Inquire about their manufacturing processes and quality control measures.
  • Price and Availability: For bulk purchases, it's essential to secure competitive pricing. Manufacturers, especially those in China, often offer the best price per kilogram. Inquire about lead times and minimum order quantities.
  • Technical Support and Samples: A good supplier will offer technical support and provide samples for your evaluation, allowing you to confirm suitability before committing to a larger purchase.

Conclusion: A Cornerstone for Chemical Innovation

7-Nitrooxindole is more than just a chemical compound; it's a gateway to innovation in pharmaceuticals and beyond. As a crucial fine chemical intermediate, its availability in high purity from reliable manufacturers is essential for driving scientific advancement. By understanding its properties and partnering with reputable suppliers, researchers and formulators can effectively leverage 7-Nitrooxindole to unlock new possibilities in their respective fields.