NINGBO HI-TECH ZONE YEFENG NEW MATERIALS TECHNOLOGY CO.,LTD.
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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% |