Montelukast EP Impurity F CAS 937275-23-5
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 937275-23-5 |
| Molecular Formula | C34H32ClNO3S |
| Molecular Weight | 570.14 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Montelukast EP Impurity F (CAS 937275-23-5), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C34H32ClNO3S. Molecular weight: 570.14 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C34H32ClNO3S |
| Molecular Weight | 570.14 g/mol |
| Purity | >95% |
| 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) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Montelukast Standards
- Montelukast EP Impurity B (CAS 918972-54-0)
- Montelukast Impurity 4 (CAS 1772578-77-4)
- Montelukast Impurity C167 (CAS 866923-62-8)
- Montelukast Impurity 2 (CAS CATO-C4X-10312)
- Montelukast Amide (CAS 866923-63-9)
- Montelukast EP Impurity H (CAS 851755-56-1)
- Montelukast Impurity 24 (CAS CATO-C4X-103124)
- Montelukast (CAS 158966-92-8)
Recommended Standards
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- Linagliptin impurity 136 (CAS CATO-C4X-1101136)
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- 4-Amino-6-bromopicolinonitrile (CAS 1805476-16-7)
- Casein kinase II peptide Substrate (CAS 154444-98-1)
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