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Non-ion Contrast Agent Series
 
 
Levofloxacin and Intermediates
 
 
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Cephalosporin Side Chains and Other Intermediates
 
 
 
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    Cephalosporin Side Chains and Other Intermediates
[ 3,7-Dihydrocholan-24-oic acid;
3-alpha,7-beta-Dihydroxy-5-beta-cholan-24-oic acid;]
  Commodity: Ursodeoxycholic Acid, UDCA
 
 
 
1. Structure:
 
 

2. Molecular Formula:C24H40O4
3. Molecular Weight:392.58
4. CAS No:[12-8-13-2]

 
 
5. Specifications:
 
 

Description

White ,odorless powder with a bitter taste

 
Solubility
soluble in organic solvents ,insoluble in water.
 
Melting point
200-204°C
 
Optical Rotation
+59°-+62°
 
Loss on drying
≤1.0%
 
Assay
≥98.5%
 
6. Usage: treatment of liver and gallbladder diseases
7. Packing: