6-Chloro-3-iodo-8-methylquinolin-4(1H)-one CAS 1330752-77-6
| CAS No. | 1330752-77-6 |
| Molecular Formula | C10H7ClINO |
| Molecular Weight | 319.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C10H7ClINO, 6-Chloro-3-iodo-8-methylquinolin-4(1H)-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine/iodine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 319.53 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
6-Chloro-3-iodo-8-methylquinolin-4(1H)-one (CAS 1330752-77-6), molecular formula C10H7ClINO and molecular weight 319.53 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C10H7ClINO |
| Molecular Weight | 319.53 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl/I-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 4-Chloro-3-iodo-6-methoxyquinoline (CAS 1190972-42-9)
- 4-Chloro-7-iodo-6-methoxyquinoline (CAS 1268520-28-0)
- 7-Chloro-3-iodo-2-methylquinolin-4(1H)-one (CAS 1330753-24-6)
- 5-Chloro-3-iodo-8-methylquinolin-4(1H)-one (CAS 1330754-67-0)
- 7-Chloro-3-iodo-8-methylquinolin-4(1H)-one (CAS 1330755-21-9)
- 5-Chloro-7-iodo-8-methoxyquinoline (CAS 91240-91-4)
- N-(5-chloro-2-fluoro-4-iodo-phenyl)acetamide (CAS 2157481-37-1)
- 4-Chloro-2-(3,5-dichlorophenyl)-5-(1-methylhydrazino)-2,3-dihydropyridazin-3-one (CAS 175135-84-9)
Recommended Standards
- 4-(chloromethyl)-2-(4-iodophenyl)-1,3-oxazole (CAS 1179743-32-8)
- Domiphen Impurity 6 (CAS CATO-C4X-18936)
- 5-(Nonylthio)quinoline-8-thiol (CAS 60465-71-6)
- 5-(Heptadec-8-en-1-yl)-3-methylisoxazole (CAS 649721-05-1)
- 1-Chloro-4-(3,4-dimethylphenyl)phthalazine (CAS 129842-38-2)
- 4-((4-(4-(Tert-butyl)phenoxy)phenyl)amino)-4-oxobutanoic acid (CAS 356089-44-6)
- (R)-2-(3-chloro-4-(trifluoromethyl)phenyl)pyrrolidine (CAS 1213504-17-6)
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