7-Fluoroquinoline-2,4-dicarboxylic acid CAS 31009-00-4
| CAS No. | 31009-00-4 |
| Molecular Formula | C11H6FNO4 |
| Molecular Weight | 235.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
7-Fluoroquinoline-2,4-dicarboxylic acid (CAS 31009-00-4), molecular formula C11H6FNO4 and molecular weight 235.17 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 7-Fluoroquinoline-2,4-dicarboxylic acid (C11H6FNO4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 235.17 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), 7-Fluoroquinoline-2,4-dicarboxylic 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 | C11H6FNO4 |
| Molecular Weight | 235.17 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) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1965 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Fluoroquinoline Standards
- 7-Fluoroquinoline-2,3-dicarboxylic acid (CAS 110139-62-3)
- 6-Fluoroquinoline-2,3-dicarboxylic acid (CAS 892874-70-3)
- 6-Butyl-2-fluoroquinoline-3-carbaldehyde (CAS 185452-88-4)
- 5-Fluoroquinoline-8-sulfonic acid (CAS 10092-63-4)
- 3-Fluoroquinoline-8-sulfonic acid (CAS 667-75-4)
- 8-Fluoroquinoline-5-sulfonamide (CAS 1096846-20-6)
- 6-fluoroquinoline-3-sulfonamide (CAS 1798757-52-4)
- 8-Fluoroquinoline-5-sulfonyl chloride (CAS 1000933-89-0)
Recommended Standards
- 2,4-BIS(TRIFLUOROMETHYL)BENZENAMINE 2,4-BIS-TRIFLUOROMETHYL-PHENYLAMINE 2,4-Bis(trifluoromethyl)aniline 2,4-DITRIFLUOROMETHYLANILINE 367-71-5 AS05281 (CAS 367-71-5)
- 5-Fluoro-1-picolinoylpyrimidine-2,4(1H,3H)-dione (CAS 88740-57-2)
- 4-(bromomethyl)-1-benzothiophene (CAS 10133-19-4)
- 3,5-Bis(trifluoromethyl)cyclohexan-1-amine (CAS 58665-71-7)
- 2-Amino-n-hydroxy-4-methylsulfanylbutanamide (CAS 36207-43-9)
- 4-(2,2,2-Trifluoroacetyl)morpholine-2-carboxylic acid (CAS 1250177-52-6)
- 2-(Cyclopropylethynyl)benzaldehyde (CAS 914220-97-6)
- 4-(3-Bromo-4-methoxyphenyl)pyridine, 97% (CAS 191602-60-5)
- 3-Propyl-3-azabicyclo[3.2.1]Octan-8-amine (CAS 1170641-81-2)
- 2-(1-Benzyl-1H-pyrazol-5-yl)tetrahydrofuran-3-carboxylic acid (CAS 1823386-80-6)
- (Butan-2-yl)({[4-(propan-2-yl)phenyl]methyl})amine hydrochloride (CAS 1158481-73-2)
- Thalidomide-NH-CH2-COOH (CAS 927670-97-1)
- 5-(4-Amino-2-oxopyrimidin-1(2H)-yl)-2-(hydroxymethyl)tetrahydrofuran-3-yl dihydrogen phosphate, sodium salt (CAS 102814-05-1)
- Peptide 439 (CAS CATO-CPTD788439)
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