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(Total 3 Products for 10538 55 3 Deoxyursocholic Acid Methyl Ester)
Deoxyursocholic acid methyl ester powder
China now adopts artificial breeding and live extraction of UDCA, but it cannot meet the medical requirements due to its many steps, long cycle and low yield. Therefore, artificial synthesis of UDCA is of great significance.Since the 1950s, many kinds of chemical Chemicalbook synthesis methods have been tried. In the...
It is obtained by oxidation of PIH.Will join the dry dry toluene reaction pot, add cyclohexanone and perfect enol ketone, stir to dissolve and steam for toluene dehydration, quickly adding isopropanol aluminum, 2 h oxidation reaction at 115 ℃, cooled to about 80 ℃, 5% dilute sulphuric acid under stirring, static...
Dietary supplements Calcium Ascorbate DC- 97SF
Product Description: Vitamin C sodium is a white or very slightly yellow crystal or crystalline powder, which is stable in a dry state, and is easily oxidized and decomposed in a humid state. The color becomes darker when exposed to light, and the specific rotation is +104.4°C. Vitamin C sodium participates in sugar...
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