Ursodeoxycholic Acid Impurity 68 CAS 62797-60-8
| CAS No. | 62797-60-8 |
| Molecular Formula | C24H38O3 |
| Molecular Weight | 374.56 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 374.56 g/mol gives Ursodeoxycholic Acid Impurity 68 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
As a process- or degradation-related impurity, Ursodeoxycholic Acid Impurity 68 (CAS 62797-60-8, C24H38O3) is essential for impurity profiling, related-substances testing, and forced-degradation studies in pharmaceutical development.
The molecular framework of Ursodeoxycholic Acid Impurity 68 (C24H38O3) is characterized by a steroid core, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C24H38O3 |
| Molecular Weight | 374.56 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
Related Ursodeoxycholic Standards
- Ursodeoxycholic Acid Impurity 13 (CAS 5255-17-4)
- Ursodeoxycholic Acid impurity 106 (CAS CATO-C4X-1422106)
- Ursodeoxycholic Acid Impurity N3 (CAS 28083-34-3)
- Ursodeoxycholic Acid impurity 100 (CAS CATO-C4X-1422100)
- Ursodeoxycholic Acid Impurity 123 (CAS 10601-78-2)
- Ursodeoxycholic Acid EP Impurity C (CAS 434-13-9)
- Ursodeoxycholic Acid Impurity 21 (CAS 23848-46-6)
- Ursodeoxycholic Acid EP Impurity I (CAS 130593-75-8)
Recommended Standards
- Finasteride EP Impurity A (CAS 98319-24-5)
- Spironolactone Impurity 12 (CAS CATO-C4X-134512)
- Finasteride Impurity 25 (CAS 172922-52-0)
- Teprenone Impurity 30 (CAS CATO-C4X-208130)
- Ixazomib Impurity 66 (CAS 50-38-4)
- Amorolfine Impurity 84 (CAS CATO-C4X-154284)
- Doxylamine N-Desmethyl Impurity (CAS 78868-03-8)
- 4-Fluoro-6-hydroxyquinoline (CAS 1261678-34-5)
- Methyl (3r)-3-amino-3-(4-fluorophenyl)propanoate hydrochloride (CAS 1217792-89-6)
- 2-Bromo-N-(1-chloro-2-methylpropan-2-yl)acetamide (CAS 87966-98-1)
- Temocillin impurity 1 (CAS CATO-C4X-34461)
- N-(4-butylphenyl)-2-((4-methyl-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 212074-61-8)
- (3-Bromo-2,2-dimethylpropanesulfonyl)benzene (CAS 16462-88-7)
- Pancreatic Polypeptide (31-36) Free Acid, human (CAS 192432-73-8)
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