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CAS RN: 128-13-2 | Product Number: U0030

Ursodeoxycholic Acid

Purity: >98.0%(T)
  • 5β-Cholanic Acid-3α,7β-diol
  • 3α,7β-Dihydroxy-5β-cholanic Acid
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Product Number U0030
Purity / Analysis Method >98.0%(T)
Molecular Formula / Molecular Weight C__2__4H__4__0O__4 = 392.58  
Physical State (20 deg.C) Solid
CAS RN 128-13-2
Reaxys Registry Number 3219888
PubChem Substance ID 87577760
SDBS (AIST Spectral DB) 11242
Merck Index (14) 9889
MDL Number


Appearance White to Almost white powder to crystaline
Purity(Neutralization titration) min. 98.0 %(after drying)
Melting point 200.0 to 205.0 °C
Specific rotation [a]20/D + 59.0 to + 62.0 deg(C=4, EtOH)
Solubility in EtOH almost transparency
Drying loss max. 1.0 %
Properties (reference)
Melting Point 203 °C
Specific Rotation 60.5° (C=4,EtOH)
Solubility in water Insoluble
Degree of solubility in water 20 mg/l   20 °C
Solubility (very soluble in) Ethanol
Solubility (slightly sol. in) Chloroform
Solubility (very slightly) Ether
Related Laws:
EC Number 204-879-3
RTECS# FZ2000000
Transport Information:
HS Number 2918199890
Synthesis of Biaryls

M. L. N. Rao, D. Banerjee, D. N. Jadhav, Tetrahedron Lett. 2007, 48, 6644

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