Fexofenadine Impurity 23 CAS 1208313-13-6
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1208313-13-6 |
| Molecular Formula | C30H43NO4 |
| Molecular Weight | 481.67 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Fexofenadine Impurity 23 (CAS 1208313-13-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C30H43NO4. Molecular weight: 481.67 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C30H43NO4 |
| Molecular Weight | 481.67 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
Related Fexofenadine Standards
- Fexofenadine Impurity 41 (CAS 1795786-25-2)
- Fexofenadine Impurity 16 (CAS CATO-C4X-179416)
- Fexofenadine Impurity 17 (CAS CATO-C4X-179417)
- Fexofenadine EP Impurity G (CAS 1187954-57-9)
- Fexofenadine Impurity 11 (CAS 1347311-10-7)
- Fexofenadine EP Impurity F (CAS 185066-33-5)
- Fexofenadine Impurity 15 (CAS CATO-C4X-179415)
- Fexofenadine EP Impurity A (CAS 76811-98-8)
Recommended Standards
- Fesoterodine Impurity 4 (CAS 250214-55-2)
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- 6,7-Dimethoxy-3-octyl-2-((2,4,6-trimethylbenzyl)thio)quinazolin-4(3H)-imine (CAS 860789-49-7)
- Tenofovir disoproxil Impurity 19 (CAS 4121-39-5)
- Piperacillin Impurity 12 Disoduim Salt (CAS CATO-C4X-173212)
- 2-(tert-Butoxy)-3-cyclopropoxypyridine (CAS 1243368-32-2)
- 2-Chloro-N-(2-chloro-4-methylphenyl)isonicotinamide (CAS 1040068-06-1)
- 1-Chloro-1,2,3,4-tetrahydronaphthalene (CAS 58485-68-0)
- (4-Bromobenzyl)(3,5-difluorophenyl)sulfane (CAS 1443345-47-8)
- Semaglutide impurity 48 (CAS CATO-C4X-222648)
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