Cetirizine Impurity 22 CAS 13391-38-3
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 13391-38-3 |
| Molecular Formula | C13H10BrCl |
| Molecular Weight | 281.58 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Cetirizine Impurity 22 (CAS 13391-38-3) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C13H10BrCl. Molecular weight: 281.58 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C13H10BrCl |
| Molecular Weight | 281.58 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1960 |
| Halogen Content | Cl/Br-containing |
Related Cetirizine Standards
- Cetirizine impurity N1 (CAS 58023-19-1)
- Cetirizine EP Impurity A (CAS 303-26-4)
- Cetirizine Impurity Y (CAS 34605-45-3)
- Cetirizine Impurity 35 (CAS CATO-C4X-158235)
- Cetirizine Impurity 36 (CAS CATO-C4X-158236)
- Cetirizine Impurity C18 (CAS 13391-39-4)
- Cetirizine EP Impurity G (CAS 109806-71-5)
- Cetirizine Impurity 26 (CAS CATO-C4X-158226)
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- Oseltamivir Impurity 81 (CAS CATO-C4X-172081)
- 5-(Bromomethyl)-4-methyloxazole (CAS 720655-70-9)
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- tert-Butyl 2-(pyridin-3-yl)piperazine-1-carboxylate (CAS 886771-08-0)
- N-Phenylthiophen-2-amine (CAS 940-32-9)
- Biotinyl-Neuropeptide Y (human, rat) trifluoroacetate salt (CAS 213779-13-6)
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