A dexamethasone acetate intermediate

Chemical composition: 16 α-methyl-11 β,17α,21-trihydroxyl-9 α-fluorogen-1,4-diene-3,20-diketone 21-acetate

One drug, is the adrenal corticoid drug.White or white crystalline or crystalline powder; smelly and bitter.It is easily soluble in acetone, dissolved in methanol or anhydrous ethanol, slightly soluble in ethanol or trichloromethane, extremely microdissolved in ether, and insoluble in water.

Traits: The melting point of this product (Appendix C) is 223-233℃, and it is decomposed simultaneously upon melting.The specific helicity was taken, accurately designated, and the dioxyhexaloop was dissolved and quantitatively diluted to make a solution containing about 10 mg per 1ml, determined according to law (Appendix E), and the specific helicity was + 82 to + 88.The absorption coefficient was taken from this product, accurately determined, dissolved with ethanol and quantitatively diluted to make a solution containing about 15 μg per 1ml, and the absorbance was measured at 240 nm according to the UV-visible spectrophotometry method (Annex A), with the absorption coefficient (E 1%/1cm) of 343-371.

Product Description: CAS No.: 1177-87-3 Molecular formula: C24H31FO6 molecular weight: 434.50 Packaging: aluminum foil bag

Content: 99%

Quality standard: BP93,BP2000,EPⅤ,CP2005

Physical property: this product is white or white crystalline powder, no odor, slightly bitter taste.This product is easily soluble in acetone, dissolved in methanol or ethanol, slightly soluble in ethanol or chloroform, extremely microdissolved in yi ether, and insoluble in water.Product use: mainly used for allergic and autoimmune inflammatory diseases.

Company Profile:

Guangzhou Dihao Pharmaceutical Technology Co., Ltd. is located in Yuexiu District, Guangzhou City, with a superior geographical location and convenient transportation. This company is a main business

Pharmaceutical raw materials, pharmaceutical intermediates, veterinary raw materials, plant extracts, food additives, cosmetic chemical raw materials and other high-tech modern industries.

Guangzhou Dihao Technology Co., Ltd. specializes in technology development, production and export sales in the field of pharmaceutical raw materials.

Since its establishment, the company has adhered to the development path of "Science and Technology Innovation" and attaches great importance to the research and development of scientific and technological innovation. The environment of the factory is beautiful, covering an area of more than 4,000 square meters.

The company pursues the corporate tenet of "Quality as life, science and technology as the guide, innovation for survival, and honesty as the foundation".

Adhere to the corporate philosophy of "unity and hard work, pursuit of excellence, excellence, and cooperative development", and sincerely cooperate with our customers for mutual benefit and win-win cooperation. Integrity management, welcome to inquire:

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2: Contact number; 18602015453 (WeChat synchronization) QQ; 2667751176 Email: 2667751176@qq.com