1-Ethyl-8-methoxy-2-methylquinolin-4(1H)-one CAS 1209461-77-7
| CAS No. | 1209461-77-7 |
| Molecular Formula | C13H15NO2 |
| Molecular Weight | 217.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-Ethyl-8-methoxy-2-methylquinolin-4(1H)-one (C13H15NO2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. Its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
1-Ethyl-8-methoxy-2-methylquinolin-4(1H)-one (CAS 1209461-77-7) is a high-purity analytical reference standard with the molecular formula C13H15NO2 and a molecular weight of 217.26 g/mol.
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.
As a certified reference material (CRM), 1-Ethyl-8-methoxy-2-methylquinolin-4(1H)-one meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C13H15NO2 |
| Molecular Weight | 217.26 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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.) | 1990 |
| Nitrogen Atoms | 1 |
Related Ethyl Standards
- 7-Methoxy-2-propylquinolin-4-ol (CAS 1070879-90-1)
- 8-methoxy-2-propylquinolin-4-ol (CAS 1070879-91-2)
- 1-Ethyl-6-methoxy-2-methylquinolin-4(1H)-one (CAS 1210897-43-0)
- Methyl 3-[(2-methoxy-2-oxoethyl)(propan-2-yl)amino]propanoate (CAS 1249253-89-1)
- 5-Methoxy-1-propyl-1H-indole-3-carbaldehyde (CAS 128600-67-9)
- 1-Ethyl-5-methoxy-2-methyl-1H-indole-3-carbaldehyde (CAS 36149-66-3)
- 2-Methoxy-N-(2-methylbut-3-yn-2-yl)benzamide (CAS 39108-83-3)
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Recommended Standards
- 3,3-Dimethyl-5-propionylindolin-2-one (CAS 120476-85-9)
- 5-(1h-Indol-3-yl)pentanoic acid (CAS 1210-84-0)
- Methyl 2',3'-dihydro-1'H-spiro[cyclopropane-1,4'-isoquinoline]-5'-carboxylate (CAS 1203686-66-1)
- (R)-5-tert-Butyl 1-methyl 2-aminopentanedioate (CAS 121069-22-5)
- 1,3,5-Triazine-2,4,6(1H,3H,5H)-trione, 1,3,5-tris(2-propen-1-yloxy)-, polymer with 1,3-butadiene (CAS 70682-78-9)
- n-(5-Bromo-2-methoxyphenyl)-2-(1h-tetrazol-1-yl)acetamide (CAS 1292631-50-5)
- 6-bromo-N,N-dimethylpyridine-3-carboxamide (CAS 869640-49-3)
- 2-Methyl-4,5,6,7-tetrahydro-2H-indazole-3-carbonyl chloride (CAS 149591-34-4)
- 2-(chloromethyl)quinazolin-4-amine (CAS 877041-19-5)
- Trichloronitrosylruthenium(II) (CAS 18902-42-6)
- Ethyl 3-(3-fluoro-4-hydroxyphenyl)propanoate (CAS 94139-03-4)
- Isopropyl 4-(4-aminophenyl)butanoate hydrochloride (CAS 94094-47-0)
- 3-Fluoro-6-methoxy-2-methylbenzaldehyde (CAS 1781868-49-2)
- Semaglutide impurity 276 (CAS CATO-C4X-2226276)
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