Prednisolone Base - C21h28o5, 98% Purity, White Crystalline Powder With Wetting Properties | Pharmaceutical Intermediate, Medicine Grade, Einecs No: 200-021-7, Cas No: 50-24-8

To cater the variegated demands of our precious clients, our organization known as a leading Exporter, Manufacturer & Supplier Company of Prednisolone Base in Taian, Shandong, China.

This product is 11 beta, 17 alpha, 21- three hydroxy pregnancy -1,4- diene -3,20- two ketone. According to dry products, C21H28O5 should be 97% to 102%.

Character
This product is a white or white crystalline powder; odorless, slightly bitter, and has a wetting property.

This product is dissolved in methanol or ethanol, slightly soluble in acetone or dioxane, slightly soluble in chloroform, very slightly soluble in water.

The specific curl of the product was determined precisely, dissolved with dioxane and diluted quantitatively. The specific curl of the solution containing about 10 mg per ml was determined according to the law, ranging from +96 degree to +103 degree.

Absorption coefficient was determined by precise weighing, dissolved in ethanol and diluted quantitatively. The absorbance was determined at 243 nm by UV-Vis spectrophotometry. The absorption coefficient was 400-430. [3]. Standard Bp2010