Montelukast Impurity 50 CAS 1044705-96-5
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 1044705-96-5 |
| Molecular Formula | C37H40ClNO3S |
| Molecular Weight | 614.24 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Montelukast Impurity 50 (CAS 1044705-96-5) is a high-purity pharmacopoeial impurity standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C37H40ClNO3S. Molecular weight: 614.24 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C37H40ClNO3S |
| Molecular Weight | 614.24 g/mol |
| 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.) | 1988 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Montelukast Standards
- Montelukast Acid Impurity Disodium Salt (CAS 213380-27-9)
- Montelukast Sulfone (CAS 2714018-24-1)
- Montelukast Impurity 22 (CAS 1266620-74-9)
- Montelukast Impurity 9 (CAS CATO-C4X-10319)
- Montelukast Impurity 8 (CAS CATO-C4X-10318)
- Montelukast Sodium EP Impurity G (CAS 1428448-96-7)
- cis-Montelukast Sulfoxide (CAS 1428511-42-5)
- Montelukast R-Sulfoxide (CAS 1152185-58-4)
Recommended Standards
- TAE 684 (CAS 761439-42-3)
- 3-Chloro-2-{2-[(1E,3E)-2-(4-chlorobenzenesulfonyl)-3-{[(2,6-dichlorophenyl)methoxy]imino}prop-1-en-1-yl]hydrazin-1-yl}-5-(trifluoromethyl)pyridine (CAS 338407-65-1)
- 1H,1H,2H,2H-Perfluoro(11-methyldodecan-1-ol) (CAS 194427-39-9)
- Thioridazine Impurity 1 (CAS 7643-08-5)
- Midazolam Impurity 29 (CAS CATO-C4X-150929)
- 3-(((Benzyloxy)carbonyl)amino)-2-hydroxy-2-methylpropanoic acid (CAS 1488182-93-9)
- 1H-Indazole-3-thiol (CAS 27006-38-8)
- 6-Methyl-4-[(4-methylphenyl)sulfonyl]-3,4-dihydro-2H-1,4-benzoxazine-2-carboxylic acid (CAS 1858242-10-0)
- Enzalutamide Impurity 69 (CAS 2088914-58-1)
- Liraglutide Impurity 30 (CAS CATO-C4X-199230)
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