Ursolic acid CAS 77-52-1 is an organic compound with the molecular formula C30H48O3. It is a natural triterpenoid carboxylic acid compound with preventive and anticancer activities, and can be used as an emulsifier in drugs and food.

Chinese name: ursolic acid

Foreign name: Ursolid Acid; 3beta-Hydroxyurs-12-en-28-oil acid; (3beta) -3-hydroxyurs-12-en-28-oil acid; (3beta, 5xi, 18alpha) -3-hydroxyurs-12-en-28-oil acid; (3beta) -3-hydroxyurs-12-en-28-oat

Nickname: ursolic acid, ursolic acid

Chemical formula: C30H48O3

Molecular weight: 456.700

CAS login number: 77-52-1

Melting point: 292 ℃

Density: 1.1 g/cm ³

Appearance: Green powder

Chemical name: 3-Hydroxy-12-ursen-28-oic acid

Physical property data

Characteristics: Large and glossy prismatic crystals (anhydrous ethanol), fine needle crystals like hairs (dilute ethanol)

Melting point (º C): 285-288 ℃

Specific rotation (º):[ α] D25+67.5 ° (c=1, 1mol/L potassium hydroxide ethanol solution)

Easily soluble in acetone, soluble in hot glacial acetic acid and 2% sodium hydroxide ethanol solution, insoluble in water and petroleum ether.

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