Methyl 6-fluoro-4-oxo-3,4-dihydroquinoline-2-carboxylate CAS 1956331-12-6
| CAS No. | 1956331-12-6 |
| Molecular Formula | C11H8FNO3 |
| Molecular Weight | 221.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 221.18 g/mol gives Methyl 6-fluoro-4-oxo-3,4-dihydroquinoline-2-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Methyl 6-fluoro-4-oxo-3,4-dihydroquinoline-2-carboxylate (CAS 1956331-12-6), molecular formula C11H8FNO3 and molecular weight 221.18 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H8FNO3, Methyl 6-fluoro-4-oxo-3,4-dihydroquinoline-2-carboxylate contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 221.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
CATO manufactures Methyl 6-fluoro-4-oxo-3,4-dihydroquinoline-2-carboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H8FNO3 |
| Molecular Weight | 221.18 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1996 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Methyl Standards
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- 5-Fluoro-8-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 1065093-99-3)
- 8-Fluoro-4-hydroxy-5-methylquinoline-3-carboxylic acid (CAS 1065094-00-9)
- 6-Fluoro-8-methyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid (CAS 1065094-02-1)
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Recommended Standards
- Methyl 6-fluoro-4-oxo-1,4-dihydroquinoline-2-carboxylate (CAS 19271-19-3)
- (2-Methoxy-4-(trifluoromethoxy)phenyl)methanamine (CAS 886761-62-2)
- 2-(4-(Trifluoromethoxy)phenoxy)ethan-1-amine (CAS 189876-48-0)
- (8-fluoro-2-oxo-1H-quinolin-5-yl) acetate (CAS 2420455-88-3)
- Methyl 5-Bromo-2-(methylthio)-4-pyrimidinecarboxylate (CAS 50593-91-4)
- 7-Butyl-4-chloro-3,8,9-trimethoxybenzo[g]quinoline-5,10-dione (CAS 61186-53-6)
- 2-(3-Chloropropanoyl)-4-methylphenylacetic acid (CAS 1806593-39-4)
- 7'-Bromo-1,3,3',4'-tetrahydro-1'H-spiro[indene-2,2'-naphthalen]-1'-one (CAS 1272758-07-2)
- 3-(5,6-Dimethoxypyridin-3-yl)prop-2-yn-1-ol (CAS 1171919-89-3)
- Sunitinib Impurity 52 (CAS 2199-59-9)
- 4-Amino-3-methoxy-N-(m-tolyl)benzenesulfonamide (CAS 887580-09-8)
- ethyl 4-(2-methylpropanoyl)-1H-pyrrole-2-carboxylate (CAS 151982-52-4)
- 6-(4-Chloro-3-nitrophenyl)-5-methyl-4,5-dihydropyridazin-3(2h)-one (CAS 117397-88-3)
- [pGlu] Semaglutide (CAS CATO-C4X-2226288)
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