Fexofenadine Impurity 40 CAS 1390644-37-7
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1390644-37-7 |
| Molecular Formula | C26H35NO3 |
| Molecular Weight | 409.56 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Fexofenadine Impurity 40 (CAS 1390644-37-7) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C26H35NO3. Molecular weight: 409.56 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C26H35NO3 |
| Molecular Weight | 409.56 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| 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.) | 1991 |
| Nitrogen Atoms | 1 |
Related Fexofenadine Standards
- Fexofenadine Impurity 20 (CAS 96067-93-5)
- Fexofenadine Impurity 42 (CAS 214601-54-4)
- Fexofenadine EP Impurity C (CAS 185066-37-9)
- 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)
Recommended Standards
- Fesoterodine Impurity 13 (CAS 1333234-71-1)
- Pimavanserin Impurity 18 (CAS CATO-C4X-193818)
- Fesoterodine Impurity 12 (CAS 1435768-96-9)
- Imidapril Impurity 14 (CAS 157085-05-(free base))
- Albendazole EP Impurity H (CAS 2469260-71-5)
- Viloxazine Impurity 2 (CAS CATO-C4X-31312)
- N-(5-Thioxo-4,5-dihydro-1,3,4-thiadiazol-2-yl)decanamide (CAS 62314-86-7)
- 5-Ethyl-3-(3-nitrophenyl)isoxazole (CAS 449181-21-9)
- 6-Bromo-3-(difluoromethyl)-4-fluoropyridin-2-amine (CAS 1806804-61-4)
- Neuropeptide Y (3-36) (porcine) trifluoroacetate salt (CAS 143863-88-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com