Montelukast Impurity 12 CAS 807638-71-7
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 807638-71-7 |
| Molecular Formula | C30H30ClNO4S |
| Molecular Weight | 536.08 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Montelukast Impurity 12 (CAS 807638-71-7) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C30H30ClNO4S. Molecular weight: 536.08 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C30H30ClNO4S |
| Molecular Weight | 536.08 g/mol |
| Purity | 97%+ |
| 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) | 16.0 |
| 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 Impurity 58 (CAS CATO-C4X-103158)
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- Montelukast EP Impurity B (CAS 918972-54-0)
- Montelukast EP Impurity F (CAS 937275-23-5)
- Montelukast Impurity 4 (CAS 1772578-77-4)
- Montelukast Impurity 2 (CAS CATO-C4X-10312)
Recommended Standards
- 5-[2,6-dichloro-4-(trifluoromethyl)phenyl]-2-furaldehyde 2-[2,6-dichloro-4-(trifluoromethyl)phenyl]hydrazone (CAS 259243-83-9)
- Clopidogrel Impurity 34 (CAS 1331383-23-3)
- Chlorohydro[2-[[[3-[[3-(4-morpholinyl-κN4)propyl]amino-κN]propyl]thio-κS]methyl]phenyl-κC]iridium(III) (CAS 1799787-28-2)
- Ipriflavone Impurity 1 (CAS 3669-41-8)
- Ofloxacin EP Impurity C (CAS 95848-94-5)
- Varenicline Impurity 60 (CAS CATO-C4X-196260)
- 4-(5-(Difluoromethyl)thiophen-2-yl)-2-fluorophenol (CAS 2092285-71-5)
- hexahydro-1H-pyrrolo[2,1-c]morpholin-3-ylmethanamine (CAS 1181643-74-2)
- 4-Ethynyltetrahydro-2H-pyran-4-carboxylic acid (CAS 2167622-62-8)
- Peptide Impurity 05 (CAS 2322924-83-2)
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