| CAS No. | 51446-79-8 |
| Molecular Formula | C24H40O4 |
| Molecular Weight | 392.57 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 392.57 g/mol gives Ursodeoxycholic Acid Impurity 114 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies Ursodeoxycholic Acid Impurity 114 (CAS 51446-79-8), a pharmacopoeial impurity reference standard (molecular formula C24H40O4, MW 392.57 g/mol) used for the identification and quantification of trace impurities in APIs.
Owing to a steroid core, a hydroxyl group, an ether linkage, Ursodeoxycholic Acid Impurity 114 is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 392.57 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
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.
CATO manufactures Ursodeoxycholic Acid Impurity 114 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
| Molecular Formula | C24H40O4 |
| Molecular Weight | 392.57 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |