Caronic anhydride CAS No. 67911-21-1

Ethyl 5-bromo-1H-indole-2-carboxylate, with CAS number 16732-70-0, is a high-purity indole derivative widely recognized as a critical intermediate in pharmaceutical synthesis and medicinal chemistry. As a professional supplier, we adhere to strict quality control standards throughout the production process, ensuring our product meets the rigorous requirements of pharmaceutical R&D and fine chemical industries.

3-Pyridinecarboxaldehyde (Nicotinaldehyde), with CAS number 500-22-1, is a high-purity pyridine derivative widely recognized as a critical intermediate in the agrochemical and pharmaceutical industries. It is the key starting material for the synthesis of the insecticide Pymetrozine. As a professional supplier, we utilize advanced stabilization technologies to minimize oxidation and color degradation, ensuring our product meets the rigorous requirements of global synthesis manufacturers.

Methyl 4-amino-2-pyridinecarboxylate, with CAS number 71469-93-7, is a high-purity pyridine derivative widely recognized as a critical intermediate in pharmaceutical synthesis (especially for anticancer drugs like Sorafenib). As a professional supplier, we adhere to strict quality control standards throughout the production process, ensuring our product meets the rigorous requirements of global pharmaceutical R&D and API manufacturing industries.

7-Methylindole, with CAS: 933-67-5, is a high-purity indole derivative widely recognized as a critical intermediate in pharmaceutical synthesis and fine chemical production. As a professional supplier, we adhere to strict quality control standards throughout the production process, ensuring our 7-Methylindole meets the rigorous requirements of pharmaceutical, agrochemical, and chemical research industries.

Caronic anhydride (CAS No. 67911-21-1) is a key cyclopropane-based pharmaceutical intermediate, appearing as a white crystalline powder. With the molecular formula C₇H₈O₃, it features a stable chemical structure and high-purity properties. This product is mainly used in the synthesis of anti-hepatitis C drugs (such as Boceprevir) and other antiviral APIs, serving as an indispensable core raw material in the pharmaceutical industry chain. It can achieve a purity of over 99% with stable quality, effectively meeting the demands of high-end pharmaceutical R&D and large-scale production.

5-Fluoroindole, with CAS number 399-52-0, is a high-purity fluorinated indole derivative widely recognized as a critical intermediate in pharmaceutical and fine chemical synthesis. As a professional supplier, we adhere to strict quality control standards throughout the production process, ensuring our product meets the rigorous requirements of pharmaceutical, agrochemical, and biotechnology industries.