Montelukast EP Impurity I CAS 184763-26-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 184763-26-6 |
| Molecular Formula | C35H36ClNO4S |
| Molecular Weight | 602.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Montelukast EP Impurity I (CAS 184763-26-6), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C35H36ClNO4S. Molecular weight: 602.18 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C35H36ClNO4S |
| Molecular Weight | 602.18 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 2009 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Montelukast Standards
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- Montelukast Hydroxy (CAS 679838-32-5)
- Montelukast EP Impurity I (CAS 2045402-27-3)
- Montelukast Impurity 23 (CAS CATO-C4X-103123)
- Montelukast EP Impurity C(Mixture of Diastereomers) (CAS 909849-96-3)
- Montelukast Impurity 46 (CAS CATO-C4X-103146)
Recommended Standards
- 21(S)-Hydroxy Montelukast (CAS 184763-29-9)
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- N1-(1-Acetyl-1,2,3,4-tetrahydroquinolin-7-yl)-N2-isopropyloxalamide (CAS 898439-68-4)
- 2-(chloromethyl)-3,5-dimethylpyrazine (CAS 921040-02-0)
- 1-(2,2-Difluoroethyl)piperidin-3-one (CAS 150-85-7)
- 2-(4-Fluoro-3-methylphenyl)cyclopropane-1-carboxylic acid (CAS 1268141-41-8)
- (2-Chloro-4-cyanophenyl)boronic Acid (CAS 677743-50-9)
- Semaglutide Impurity 177 (CAS CATO-C4X-2226177)
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