Montelukast EP Impurity C(Mixture of Diastereomers) CAS 909849-96-3
Purity >90%In StockPharmacopoeial Impurity Standards
| CAS No. | 909849-96-3 |
| Molecular Formula | C35H36ClNO4S |
| Molecular Weight | 602.18 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Montelukast EP Impurity C(Mixture of Diastereomers) (CAS 909849-96-3), a pharmacopoeial impurity 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 | >90% |
| 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.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Montelukast Standards
- Montelukast R-Sulfoxide (CAS 1152185-58-4)
- Montelukast EP Impurity I (CAS 184763-26-6)
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- Montelukast - Impurity C (sodium Salt) (CAS 909796-71-0)
- Montelukast Hydroxy (CAS 679838-32-5)
- Montelukast EP Impurity I (CAS 2045402-27-3)
- Montelukast Impurity 23 (CAS CATO-C4X-103123)
- Montelukast Impurity 46 (CAS CATO-C4X-103146)
Recommended Standards
- Montelukast Impurity 59 (CAS CATO-C4X-103159)
- cis-Montelukast Sulfoxide (CAS 1428511-42-5)
- 2,6,10-Tribromo-4,4,8,8,12,12-hexamethyl-4H,8H,12H-benzo[1,9]quinolizino[3,4,5,6,7-defg]acridine (CAS 928642-02-8)
- Terbutaline impurity 100 (CAS CATO-C4X-1183100)
- Doxazosin Impurity 2 (CAS 4739-94-0)
- Dexamethasone Impurity 16 (CAS 55541-30-5)
- 2-(Pyridin-4-yl)propan-1-amine (CAS 85488-30-8)
- N-(2-Bromo-4,6-difluorophenyl)-2-((4-ethyl-5-(pyridin-4-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide (CAS 577766-41-7)
- Loratadine Impurity 40 (CAS 609806-37-3)
- D-γ-Glu20-Side-Tirzepatide (CAS CATO-CPTD788929)
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