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Hangzhou Dingyan Chem Co., Ltd
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4 - hydroxyl coumarin physical properties: white needle crystal, melting point of 210 ~ 216 ℃. Industrial products for white or light yellow solid powder, melting point of 210 ~ 216 ℃. Industrial products for white or light yellow solid powder, melting point of 210 ~ 212 ℃. Slightly soluble in cold water, hot water, ethanol, ether and other organic solvents. There are many synthetic routes for 4-hydroxycoumarin, and the common production methods in industry include: methyl acetylsalicylate condensation under alkaline catalyst condition; Acetoacetate reacts with acetylsalicylchloride and condenses.
Physical properties: white needle crystal, melting point of 210 ~ 216 ℃. Industrial products for white or light yellow solid powder, melting point of 210 ~ 216 ℃. Industrial products for white or light yellow solid powder, melting point of 210 ~ 212 ℃. Slightly soluble in cold water, hot water, ethanol, ether and other organic solvents. There are many synthetic routes for 4-hydroxycoumarin, and the common production methods in industry include: methyl acetylsalicylate condensation under alkaline catalyst condition; Acetoacetate reacts with acetylsalicylchloride and condenses.
Use: this product is a pharmaceutical intermediate, used in the production of anticoagulant drugs. These 4-hydroxycoumarin derivatives are antagonists of vitamin K, an oral anticoagulant. In addition, 4-hydroxycoumarin is also the intermediate of some rodenticide, which is of great research value in the development of anticancer drugs. 4-hydroxy coumarin is also a kind of spice. Coumarins are widely distributed in the plant kingdom. It is mainly used for the synthesis of antithrombotic drugs and 4-hydroxy coumarin type anticoagulant rodenticide.
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Hangzhou Dingyan Chem Co., Ltd
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White powder, 201% content. Hangzhou Dingyan Chemical Co., Ltd. is located in the Xiasha Economic Development Zone of Hangzhou, the capital city of Zhejiang Province, on the southeast coast of China. It is a company specializing in the development and sales of high-tech products such as pharmaceutical raw materials, pharmaceutical intermediates, fine chemicals and biochemical reagents.
A modern private enterprise integrated with self-operated import and export.
Since its establishment, the company has adhered to the development path of "technological innovation" and attached great importance to scientific and technological innovation research and development. The company's high-quality products are sold well in more than 60 countries and regions such as North America, Western Europe, Southeast Asia, Central and South America.
At present, it has established long-term and stable cooperative relations with pharmaceutical companies in Europe, the United States, Greece, Germany, Iran, Russia, South Korea, India and other countries. With our rigorous attitude and sincere service, we have won the trust and reputation of customers.
Hangzhou Dingyan Chemical Co., Ltd. is located in the Xiasha Economic Development Zone of Hangzhou, the capital city of Zhejiang Province, on the southeast coast of China. It is a company specializing in the development, sales and self-support import and export financing of high-tech products such as pharmaceutical raw materials, pharmaceutical intermediates, fine chemicals and biochemical reagents.
Integrated modern private enterprise.
Since its establishment, the company has adhered to the development path of "technological innovation" and attached great importance to scientific and technological innovation research and development. The company's high-quality products are sold well in more than 433 countries and regions such as North America, Western Europe, Southeast Asia, Central and South America.
At present, it has established long-term and stable cooperative relations with pharmaceutical companies in Europe, the United States, Greece, Germany, Iran, Russia, South Korea, India and other countries. With our rigorous attitude and sincere service, we have won the trust and reputation of customers. |
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Pharma Sources Insight January 2025
