Fexofenadine EP Impurity C CAS 185066-37-9
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 185066-37-9 |
| Molecular Formula | C31H39NO2 |
| Molecular Weight | 457.65 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Fexofenadine EP Impurity C (CAS 185066-37-9) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C31H39NO2. Molecular weight: 457.65 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C31H39NO2 |
| Molecular Weight | 457.65 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at room temperature, protect from light |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2009 |
| Nitrogen Atoms | 1 |
Related Fexofenadine Standards
- Fexofenadine Impurity 15 (CAS CATO-C4X-179415)
- Fexofenadine Impurity 16 (CAS CATO-C4X-179416)
- Fexofenadine Impurity 23 (CAS 1208313-13-6)
- Fexofenadine Impurity 41 (CAS 1795786-25-2)
- Fexofenadine Impurity 17 (CAS CATO-C4X-179417)
- Fexofenadine EP Impurity G (CAS 1187954-57-9)
- Fexofenadine Impurity 11 (CAS 1347311-10-7)
- Fexofenadine Impurity 42 (CAS 214601-54-4)
Recommended Standards
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- Ashaconazole lmpurity 92 (CAS CATO-C4X-123692)
- All-rac-alfa-Tocopherol EP Impurity B (Mixture of Diastereomers) (CAS CATO-C4X-119515)
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- 2-((2,4-Dinitrophenyl)thio)benzo[d]thiazole (CAS 17586-89-9)
- 2-(2-Aminobutan-2-yl)-6-isopropylpyrimidin-4(3H)-one hydrochloride (CAS 1333513-02-2)
- 4-Oxo-4H-quinolizin-9-yl trifluoromethanesulfonate (CAS 951624-00-3)
- Liraglutide-d8 Tetratrifluoroacetate (CAS 204656-20-2 (non-labelled, free base))
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