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Ursolic acid

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Ursolic acid is a chemical product, formerly known as Ursolic Acid. The high content of ursolic acid is shiny prismatic (absolute ethanol) or fine-hair-like needle-like crystals (dilute ethanol), and the low content is brown-yellow or yellow-green powder. It has a special smell and is one of the natural plants. A five-ring triterpenoid compound.
Melting point: 283~288℃. Specific optical rotation [α]D25 +67.5°(C=1, 1mol/L potassium hydroxide alcohol solution). At 15°C, 1 ml of ethanol (99%) can dissolve 10 mg, and 1 ml of boiling can dissolve 45 mg. Insoluble in water, but still in methanol, ethanol, acetone, pyridine.
 
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