[Traits] This product is white or white crystalline powder; no odor, bitter taste.

The product is microsoluble in methanol, ethanol or trichloromethane and is almost insoluble in water.

[Content determination] As determined by HPLC (Appendix D).

Chchromatographic conditions and system suitability test silicone was used as the filler; acetonitrile-water (35:65) was used as the flow phase; and the detection wavelength was 246nm.The appropriate amount of prednisolone and hydrocortisone acetate was taken, methanol was added to make 1ml solution containing 0.1mg, 1ml, in 10ml bottles, and prednisolone acetate was diluted to scale and shaken as the system applicability solution.In a 10 μl injection liquid chromatograph, the theoretical plate numbers were calculated to be no less than 3000 by prednisolone-acetate peak, and the separation degree of prednisolone-acetate peak and hydrocortisone-acetate should be greater than 2.0.

Specifically, methanol into about 1 mg per 1ml, 3ml, in 100ml bottle, methanol in diluted to scale, shake, 10 μl injection liquid chromatograph, record the 25mg, acetate, 25ml bottle, dissolved and diluted in methanol, shaken well, as a thick solution, 3ml, in 100ml bottle, diluted in methanol to scale, shaken, and measured by the same method.It is calculated by the peak area according to the external standard method.

Prednisolone acetate product alias: 11b,17a,21-trihydroxypregnant steroid-1,4-diene-3,20-diketone-21-acetate English name: Prednisolone-21-acetate English alias: 11b,17,21-Trihydroxypregna-1,4-diene-3,20-dione 21-acetate CAS number 52-21-1-1 Molecular formula: C23H30O6 molecular weight: 402.49 Use: Hormone and regulating endocrine function

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:

1: Shipment within 3 days:

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