Montelukast EP Impurity H CAS 851755-56-1
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 851755-56-1 |
| Molecular Formula | C34H32ClNO4S |
| Molecular Weight | 586.14 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Montelukast EP Impurity H (CAS 851755-56-1) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C34H32ClNO4S. Molecular weight: 586.14 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C34H32ClNO4S |
| Molecular Weight | 586.14 g/mol |
| Purity | >95% |
| 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) | 19.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Why CATO?
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