Montelukast Impurity N3 CAS 880769-28-8
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 880769-28-8 |
| Molecular Formula | C29H27Cl2NO |
| Molecular Weight | 476.44 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Montelukast Impurity N3 (CAS 880769-28-8), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C29H27Cl2NO. Molecular weight: 476.44 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C29H27Cl2NO |
| Molecular Weight | 476.44 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| 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) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Montelukast Standards
- Montelukast Impurity 10 (CAS 150026-75-8)
- Montelukast Impurity 31 (CAS 287930-77-2)
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- Montelukast Impurity 49 (CAS CATO-C4X-103149)
- Montelukast Impurity 36 (CAS 142569-69-5)
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- Montelukast Impurity 19 (CAS 1258428-71-5)
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Recommended Standards
- 10-Desmethoxy streptonigrin (CAS 136803-89-9)
- Delamanid Impurity 7 (CAS CATO-C4X-25147)
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- Pitavastatin Impurity 53 (CAS CATO-C4X-103753)
- Mavacoxib Impurity 3 (CAS CATO-C4X-30593)
- Imrecoxib Impurity 92 (CAS CATO-C4X-23792)
- Methyl prop-2-yn-1-yl carbonate (CAS 61764-71-4)
- 3-(5-Fluoro-2-nitrophenoxy)propan-1-amine (CAS 1178635-16-9)
- 2-amino-5-chloro-9-fluorenone 2-azanyl-5-chloranyl-fluoren-9-one 870-73-5 A841938 (CAS 870-73-5)
- Semaglutide impurity 204 (CAS CATO-C4X-2226204)
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