Ursodeoxycholic Acid EP Impurity G CAS 10538-55-3
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 10538-55-3 |
| Molecular Formula | C25H42O4 |
| Molecular Weight | 406.60 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Ursodeoxycholic Acid EP Impurity G (CAS 10538-55-3) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C25H42O4. Molecular weight: 406.60 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C25H42O4 |
| Molecular Weight | 406.60 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.) | 1960 |
Related Ursodeoxycholic Standards
- Ursodeoxycholic acid impurity 63 (CAS 81873-91-8)
- Ursodeoxycholic Acid Impurity 113 (CAS CATO-C4X-1422113)
- Ursodeoxycholic Acid Impurity 132 (CAS CATO-C4X-1422132)
- Ursodeoxycholic Acid EP Impurity B (CAS 81-25-4)
- Ursodeoxycholic Acid EP Impurity D (CAS 2955-27-3)
- Ursodeoxycholic acid impurity 55 (CAS CATO-C4X-142255)
- Ursodeoxycholic Acid-d5 Methyl Ester (CAS 93701-19-0)
- Ursodeoxycholic Acid-d5 (CAS 93701-18-9)
Recommended Standards
- Chenodeoxycholic acid methyl (CAS 3057-04-3)
- Oseltamivir Impurity 146 (CAS CATO-C4X-1720146)
- Cholic Acid Impurity 61 (CAS 28050-36-4)
- Oxymetazoline Impurity 3 HCl (CAS 205035-03-6)
- Avanafil Impurity 8 (CAS CATO-C4X-11188)
- 3-Fluoro-4-(indolin-1-yl)aniline (CAS 937597-61-0)
- (1-(4-Fluorophenyl)-3,5-dimethyl-1H-pyrazol-4-yl)methanamine hydrochloride (CAS 1255717-06-6)
- N,N-Diethyl-4-(quinolin-2-yl)aniline (CAS 19736-41-5)
- Dimethyl (S)-2-phenylcyclopropane-1,1-dicarboxylate (CAS 158800-60-3)
- Semaglutide impurity 249 (CAS CATO-C4X-2226249)
Why CATO?
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