Ursodeoxycholic Acid ( UDCA ) 
Standard: USP29, CP2005 
Appearance: White or almost white crystalline powder 
Solubility: Almost insoluble in water, soluble in alcohol and in glacial acetic acid, slightly soluble in chloroform. 
Specific Rotation: +57 ~ +62 
Melting Point: 200 ~ 205 
Loss on drying: 0.5% Max 
Ashes: 0.1% Max 
Heavy Metals: 10 ppm Maz 
Related Substances 
Chenodeoxycholic acid 1.5% Max 
Lithocholic acid 0.05% Max 
Unidentified 0.1% Max 
Total Acids: 98.5% ~101.5% 
Residual solvents (Ethyl Acetate) 10 ppm Max 
Product Specification/Models 
CAS NO.: 128-13-2
Application 
Function: Use of ursodeoxycholic acid in patients with liver disease, reduces cholesterol absorption and dissolve gallstones. 
Use: cholagogue,used for the dissolution of cholesterol gallstones and prevention of drug-induced gallstones. Also can be used for the treatment of stearrhea. 
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Jennifer Zhang 
Sdart International Inc. 
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