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Hangzhou Dingyan Chem Co., Ltd
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Appearance and properties: pale yellow crystalline powder
Density: 1.13 g/cm3
Melting point: 55-58 ° C
Boiling point: 83-84°C (0.7501mmHg)
Flash: > 230 ° F
Refractive index: 1.622
Storage condition: 2-8 ° C
Phthalaldehyde, pale yellow crystal, sensitive to light and air, can evaporate with water vapor. Soluble in water, ethanol, ether and organic solvents, slightly soluble in petroleum ether. It's irritating. Mainly used for 1. Chemical analysis reagent: as an amine alkaloid reagent, it is used for fluorescence determination of primary amine and peptide bond decomposition. 2, organic synthesis: also is the medicine intermediate. 3. Fluorescence reagent, used for separating amino acid derivatives by HPLC before column, and flow cytometry to measure mercaptan groups of proteins.
1. Chemical analysis reagent: as an amine alkaloid reagent, it is used for the determination of primary amine and peptide bond decomposition by fluorescence method.
2, organic synthesis: also is the medicine intermediate.
3. Fluorescence reagent, used for separating amino acid derivatives by HPLC before column, and flow cytometry to measure mercaptan groups of proteins.
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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 1422 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
