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CAS No. 128-13-2
Other Names Ursodiol
MF C24H39O4
EINECS No. 204-879-3
Place of Origin Zhejiang, China (Mainland)
Type Billiary agent
Grade Standard Medicine Grade
we suplly Ursodeoxycholic acid,Ursodiol ,128-13-2 in competitive price
| Item | Limit |
| Appearance | White or almost white powder, taste bitter, without stink. |
| Solubility | Almost insoluble in water; soluble in methanol and in glacial acetic acid;slightly soluble in chloroform. |
| Identification | IR spectrum: Identical with reference spectrum |
| Specific Optical Rotation | +58°~ +62° |
| Chloride | ≤0.02% |
| Sulfate | ≤0.05% |
| Arsenic Salt | ≤2ppm |
| Barium Salt | None |
| Melting point | 200°C~204°C |
| Loss on drying | ≤1.0% |
| Ignition Residue | ≤0.1% |
| Heavy metal | ≤10ppm |
| Assay(Titration) | 99%~101.0% |
| Related Substances(TLC) | |
| Chenodeoxycholic acid | |
| Lithocholic acid | |
| Cholic acid | ≤1.0% |
| Unidentified | ≤0.5% |
| Total Impurity | ≤0.25% |