Montelukast EP Impurity G CAS 774538-96-4
Purity >90.0%In StockPharmacopoeial Impurity Standards
| CAS No. | 774538-96-4 |
| Molecular Formula | C35H36ClNO3S |
| Molecular Weight | 586.18 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Montelukast EP Impurity G (CAS 774538-96-4) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C35H36ClNO3S. Molecular weight: 586.18 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C35H36ClNO3S |
| Molecular Weight | 586.18 g/mol |
| Purity | >90.0% |
| 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.) | 1986 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Montelukast Standards
- Montelukast (CAS 158966-92-8)
- Montelukast EP Impurity A (CAS 220927-27-5)
- Montelukast EP Impurity H (CAS 851755-56-1)
- Montelukast Impurity 24 (CAS CATO-C4X-103124)
- Montelukast Amide (CAS 866923-63-9)
- Montelukast Impurity 2 (CAS CATO-C4X-10312)
- Montelukast Impurity N1 (CAS 162489-70-5)
- Montelukast Impurity 21 (CAS 142147-67-9)
Recommended Standards
- Ceritinib Impurity 66 (CAS CATO-C4X-104866)
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- Parecoxib Impurity 46 (CAS 477594-28-8)
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- Methyl 2-(1-hydroxyethyl)-1-methyl-1H-imidazole-5-carboxylate (CAS 2734876-12-9)
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- Pranoprofen Impurity 48 (CAS CATO-C4X-181148)
- 3-(Methylsulfanyl)-4h-1,2,4-triazol-4-amine (CAS 65901-91-9)
- Biotinyl-S6 Phosphate Acceptor Peptide trifluoroacetate salt (CAS 1815618-12-2)
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