Montelukast 3-Oxo Benzoate CAS 149968-11-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 149968-11-6 |
| Molecular Formula | C28H22ClNO3 |
| Molecular Weight | 455.93 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Montelukast 3-Oxo Benzoate (CAS 149968-11-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C28H22ClNO3. Molecular weight: 455.93 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C28H22ClNO3 |
| Molecular Weight | 455.93 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 18.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1999 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Montelukast Standards
- Montelukast Impurity 19 (CAS 1258428-71-5)
- Montelukast Impurity 36 (CAS 142569-69-5)
- Montelukast (3R)-Hydroxy Benzoate (CAS 150026-72-5)
- Montelukast Impurity 10 (CAS 150026-75-8)
- Montelukast Impurity 31 (CAS 287930-77-2)
- Montelukast Impurity 47 (CAS 1079753-36-8)
- Montelukast Impurity 49 (CAS CATO-C4X-103149)
- Montelukast Impurity 11 (CAS 120578-04-3)
Recommended Standards
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- Iso E super (CAS 54464-57-2)
- Ethyl 4-(2-hydroxypropan-2-yl)-2-propyl-1-((2'-(1-trityl-1H-tetrazol-5(4)-yl)-[1,1'-biphenyl]-4-yl)methyl)-1H-imidazole-5-carboxylate (CAS 189400-21-3)
- Semaglutide impurity 37 (CAS CATO-C4X-222637)
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