Azelastine Impurity 19 CAS 50492-22-3
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 50492-22-3 |
| Molecular Formula | C6H11NO HCl |
| Molecular Weight | N/A |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Azelastine Impurity 19 (CAS 50492-22-3) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H11NO HCl. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H11NO HCl |
| Molecular Weight | 149.62 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1971 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Azelastine Standards
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- Azelastine EP Impurity B (CAS 110406-94-5)
- Azelastine Impurity 52 (CAS 1107016-94-3)
- Azelastine USP RC B HCI (CAS 117078-69-0)
- Azelastine Impurity 30 (CAS 117078-70-3)
- Azelastine-13C,d3 (CAS 1217019-80-1)
- Azelastine Impurity 17 (CAS 1239312-56-1)
Recommended Standards
- Tapentadol impurity 9 (CAS CATO-C4X-20999)
- Bumetanide Impurity 61 (CAS 94610-14-7)
- 6-Amino-4-(aminomethyl)-5-(difluoromethyl)nicotinaldehyde (CAS 1805373-30-1)
- ethyl 1-{2-[(tert-butyldimethylsilyl)oxy]ethyl}-1H-1,2,3-triazole-5-carboxylate (CAS 432554-68-2)
- 1-([1,1'-Biphenyl]-2-yl)-3,5-bis(trifluoromethyl)-1H-pyrazole (CAS 956706-68-6)
- (2R,3S,5R)-2-(Hydroxymethyl)-5-(6-((pyren-1-ylmethyl)amino)-9H-purin-9-yl)tetrahydrofuran-3-ol (CAS 132183-36-9)
- 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