Fexofenadine Impurity 21 CAS 162096-54-0
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 162096-54-0 |
| Molecular Formula | C14H16O3 |
| Molecular Weight | 232.28 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Fexofenadine Impurity 21 (CAS 162096-54-0) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C14H16O3. Molecular weight: 232.28 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C14H16O3 |
| Molecular Weight | 232.28 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2003 |
Related Fexofenadine Standards
- Fexofenadine Impurity 26 (CAS 169280-26-6)
- Fexofenadine Impurity 18 (CAS 880088-78-8)
- Fexofenadine Impurity 10 (CAS CATO-C4X-179410)
- Fexofenadine Impurity 23 (CAS 169280-25-5)
- Fexofenadine Impurity 27 (CAS 24911-30-6)
- Fexofenadine Impurity 13 (CAS 88783-30-6)
- Fexofenadine EP Impurity E (CAS 115-46-8)
- Fexofenadine Impurity 29 (CAS CATO-C4X-179429)
Recommended Standards
- Lacidipine Impurity 5 (CAS CATO-C4X-16715)
- Glycopyrronium Bromide Impurity 21 (CAS CATO-C4X-181721)
- 1,1-Dimethylethyl (2E)-3-(3-formylphenyl)-2-propenoate (CAS 934622-50-1)
- Bisoprolol Impurity 108 (CAS 2615193-96-7)
- Ceftopram lmpurity 41 (CAS CATO-C4X-135841)
- 6-Bromopicolinohydrazide (CAS 1042151-11-0)
- n-Hydroxy-2,4,5-trimethoxybenzamide (CAS 1092291-44-5)
- 6-Ethoxypyrimidin-2(1H)-one (CAS 6220-43-5)
- (4AR,7aS)-4-benzyloctahydropyrrolo[3,4-b][1,4]oxazine (CAS 151213-50-2)
- Polyphemusin II-Derived Peptide (CAS 229030-20-0)
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