| Customization: | Available |
|---|---|
| CAS No.: | 128-13-2 |
| Formula: | C24h40o4 |
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| Items | Specifications | Result |
| Appearance | White or almost white crystalline powder | Conforms |
| Melting Point | 200ºC~205ºC | 202.5~203.5ºC |
| Specific Optical Rotation | +57°~+62° | +60.5° |
| Ursodeoxycholic Acid | Comparable IR absorption with the reference. | Conforms |
| Loss on drying | ≤0.5% | 0.06% |
| Sulphated ash | ≤0.1% | 0.03% |
| Residual solvents | Aceton e≤0.5% | 0.12% |
| Methano l≤0.3% | Not Detected | |
| Content of C24H40O4 | 98.5%~101.5% (on the dried basis) | 99.73% |
| Related substance | Lithocholic acid: ≤0.05% | Conform |
| Chenodeoycholic Acid: ≤1.5% | Conform | |
| Any other single impurity: ≤0.1% | Conform | |
| Conclusion | The product complies with the specification described USP41. | |
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