Azelastine Hydrochloride EP Impurity C CAS 53242-76-5
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 53242-76-5 |
| Molecular Formula | C15H11ClO3 |
| Molecular Weight | 274.70 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Order Azelastine Hydrochloride EP Impurity C (CAS 53242-76-5) pharmacopoeial impurity standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C15H11ClO3. Molecular weight: 274.70 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C15H11ClO3 |
| Molecular Weight | 274.70 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Halogen Content | Cl-containing |
Related Azelastine Standards
- Azelastine Impurity 45 (CAS 148960-78-5)
- Azelastine Impurity 47 (CAS CATO-C4X-139647)
- Azelastine Impurity 13 (CAS 791758-74-2)
- Azelastine Impurity 67 (CAS CATO-C4X-139667)
- Azelastine Impurity 68 (CAS CATO-C4X-139668)
- Azelastine EP Impurity D (CAS 53242-88-9)
- Azelastine impurity 58 (CAS CATO-C4X-139658)
- Azelastine EP Impurity E (Z-Isomer) (CAS 105279-16-1)
Recommended Standards
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- Fibrinogen Related Peptide (CAS 80755-86-8)
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