Ursodeoxycholic Acid EP Impurity A CAS 474-25-9
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 474-25-9 |
| Molecular Formula | C24H40O4 |
| Molecular Weight | 392.57 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Ursodeoxycholic Acid EP Impurity A (CAS 474-25-9) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C24H40O4. Molecular weight: 392.57 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C24H40O4 |
| Molecular Weight | 392.57 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| 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.) | 1957 |
Related Ursodeoxycholic Standards
- 24-Nor Ursodeoxycholic Acid Methyl Ester (CAS 118316-16-8)
- Ursodeoxycholic Acid impurity 102 (CAS CATO-C4X-1422102)
- Ursodeoxycholic Acid Impurity 110 (CAS CATO-C4X-1422110)
- Ursodeoxycholic Acid Impurity 114 (CAS 51446-79-8)
- Ursodeoxycholic Acid Impurity 22 (CAS 566-24-5)
- Ursodeoxycholic acid Impurity 23 (CAS CATO-C4X-142223)
- Ursodeoxycholic acid impurity 31 (CAS 566-17-6)
- Ursodeoxycholic Acid EP Impurity E (CAS 83-44-3)
Recommended Standards
- Allochenodeoxycholic acid (CAS 15357-34-3)
- Cholic Acid Impurity 58 (CAS 105227-28-9)
- Ursodeoxycholic Acid EP Impurity H (CAS 78919-26-3)
- Milrinone Impurity 17 (CAS CATO-C4X-109117)
- Edoxaban Impurity 93 (CAS 349125-08-2)
- N-(5-Cyano-2-(piperidin-1-yl)pyrimidin-4-yl)benzamide (CAS 918662-90-5)
- (1-((3-Isopropyl-1,2,4-oxadiazol-5-yl)methyl)piperidin-4-yl)methanamine (CAS 1285679-13-1)
- 1-Methoxypentane-2,4-dione (CAS 6290-50-2)
- ARM1 (CAS 68729-05-5)
- Peptide-GMF (CAS CATO-CPTD788469)
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