6-Acetyl-4-oxo-1,4-dihydroquinoline-2-carboxylic acid CAS 67085-15-8
| CAS No. | 67085-15-8 |
| Molecular Formula | C12H9NO4 |
| Molecular Weight | 231.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 6-Acetyl-4-oxo-1,4-dihydroquinoline-2-carboxylic acid is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
6-Acetyl-4-oxo-1,4-dihydroquinoline-2-carboxylic acid (CAS 67085-15-8), molecular formula C12H9NO4 and molecular weight 231.20 g/mol, is a CATO reference standard with documented purity and traceability.
6-Acetyl-4-oxo-1,4-dihydroquinoline-2-carboxylic acid (C12H9NO4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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), 6-Acetyl-4-oxo-1,4-dihydroquinoline-2-carboxylic acid 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 | C12H9NO4 |
| Molecular Weight | 231.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Nitrogen Atoms | 1 |
Recommended Standards
- 6-acetyl-4-hydroxyquinoline-3-carboxylic acid (CAS 873969-88-1)
- 6-Acetyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 51726-45-5)
- 6-acetyl-4-hydroxyquinoline-2-carboxylic acid (CAS 91493-55-9)
- 6-amino-2-(methylsulfanyl)-5-nitroso-3,4-dihydropyrimidin-4-one (CAS 43005-49-8)
- Spiro[cyclopropane-1,2'-pyrimido[1,2-a]pyrimidine] (CAS 754213-70-2)
- 4-Chloro-6-(difluoromethyl)-2-iodo-3-methylpyridine (CAS 1806935-11-4)
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- tert-Butyl (((1R,2R)-rel-2-(2-(cyclopropylmethoxy)-5-hydroxyphenyl)cyclopropyl)methyl)carbamate (CAS 1322700-01-5)
- Ethyl 5-(4-(trifluoromethyl)phenyl)-1,3,4-oxadiazole-2-carboxylate (CAS 720702-68-1)
- (S)-2-Amino-N-(4-chlorobenzyl)-3-methylbutanamide (CAS 1175793-92-6)
- Thiazolo[4',5':4,5]benzo[1,2-c][1,2,5]thiadiazol-6-amine (CAS 117889-00-6)
- 5-Amino-1-(2-chlorophenyl)-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 1416345-60-2)
- Tirzepatide Impurity 22 X TFA Salt (CAS CATO-C4X-324022)
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