Ursodeoxycholic Acid (UCDA)


Appearance A white powder with a bitter taste and without odor
Solubility Freely soluble in ethanol
Identification TLC
Specific Optical Rotation +59' ~ +62'
Melting Point 200~204'C
Chloride NMT 0.022%
Sulfate NMT 0.048%
Heavy Metals NMT 20ppm
Arsenic NMT 2ppm
Related Substances Chenodeoxycholic acid NMT 1.5%

Lithocholic acid NMT 0.1%

Loss on Drying NMT 1.0%
Residues on Ignition NMT 0.2%
Assay (Titration) NLT 98.5%