4-hydroxy-6,8-dimethoxyquinoline-3-carboxylic acid CAS 874498-79-0
| CAS No. | 874498-79-0 |
| Molecular Formula | C12H11NO5 |
| Molecular Weight | 249.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C12H11NO5, 4-hydroxy-6,8-dimethoxyquinoline-3-carboxylic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 249.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 4-hydroxy-6,8-dimethoxyquinoline-3-carboxylic acid (CAS 874498-79-0), a certified reference material (molecular formula C12H11NO5, MW 249.22 g/mol) for analytical method development and quality control.
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 4-hydroxy-6,8-dimethoxyquinoline-3-carboxylic acid 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 | C12H11NO5 |
| Molecular Weight | 249.22 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
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Recommended Standards
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- 261951-99-9 4-Methyl-2-(trifluoromethyl)benzamide MFCD01631498 (CAS 261951-99-9)
- 8-hydrazinylquinoline (CAS 14148-42-6)
- Ethyl 4-(2-ethoxy-1-methyl-2-oxoethyl)piperazine-1-carboxylate (CAS 856843-19-1)
- 3-Bromo-N-cyclopropyl-5-nitropyridin-2-amine (CAS 1065074-85-2)
- 2,4-Xylenesulfonic Acid Monohydrate (CAS 58811-92-0)
- 4,7-Dihydroxy-3-(2-methoxyphenyl)-2H-chromen-2-one (CAS 21229-16-3)
- 7-Bromo-8-quinolinecarboxylic acid (CAS 1426144-84-4)
- 3-Tetrahydrofuryl Methanesulfonate (CAS 156380-34-6)
- 3-Methyl-N-(pyridin-3-ylmethyl)but-2-enamide (CAS 1197803-06-7)
- Semaglutide impurity 204 (CAS CATO-C4X-2226204)
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