Montelukast Impurity 26 CAS 120578-03-2
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 120578-03-2 |
| Molecular Formula | C18H12ClNO |
| Molecular Weight | 293.75 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
High-purity Montelukast Impurity 26 (CAS 120578-03-2) pharmacopoeial impurity standards reference standard. Molecular formula: C18H12ClNO. Molecular weight: 293.75 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C18H12ClNO |
| Molecular Weight | 293.75 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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