8-Hydroxy-6-methyl-[1,3]dioxolo[4,5-g]quinoline-7-carboxylic acid CAS 50435-15-9
| CAS No. | 50435-15-9 |
| Molecular Formula | C12H9NO5 |
| Molecular Weight | 247.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 8-Hydroxy-6-methyl-[1,3]dioxolo[4,5-g]quinoline-7-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.
8-Hydroxy-6-methyl-[1,3]dioxolo[4,5-g]quinoline-7-carboxylic acid (CAS 50435-15-9) is a high-purity analytical reference standard with the molecular formula C12H9NO5 and a molecular weight of 247.20 g/mol.
Based on its molecular formula C12H9NO5, 8-Hydroxy-6-methyl-[1,3]dioxolo[4,5-g]quinoline-7-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 247.20 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).
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.
Physical & Chemical Properties
| Molecular Formula | C12H9NO5 |
| Molecular Weight | 247.20 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.) | 1971 |
| Nitrogen Atoms | 1 |
Related Hydroxy Standards
- 9-hydroxy-2,3-dihydro[1,4]dioxino[2,3-g]quinoline-8-carboxylic acid (CAS 23796-64-7)
- Methyl 3-hydroxy-4-nitro-2-naphthoate (CAS 5394-81-0)
- 8-Acetyl-3-hydroxy-7-methyl-3H-[1,2,5]oxadiazolo[3,4-e]indole 6-oxide (CAS 159325-85-6)
- Methyl 5-hydroxy-6-oxo-2-(pyridin-2-yl)-1,6-dihydropyrimidine-4-carboxylate (CAS 849475-89-4)
- 2-hydroxy-4-{[(1-methyl-1H-pyrazol-3-yl)methyl]amino}benzoic acid (CAS 1006465-90-2)
- 2-hydroxy-4-{[(1-methyl-1H-pyrazol-5-yl)methyl]amino}benzoic acid (CAS 1006963-39-8)
- 3-Hydroxy-2-(quinazolin-4-ylamino)-butyric acid (CAS 1008675-44-2)
- 5-Hydroxy-2-oxo-2,3-dihydro-1H-[1]benzazephe-4-carboxylic Acid Ethyl Ester (CAS 108993-98-2)
Recommended Standards
- 7-Methoxyquinoline-2,3-dicarboxylic acid (CAS 948290-89-9)
- 6-Methoxyquinoline-2,4-dicarboxylic acid (CAS 250641-13-5)
- Ald-Ph-NHS ester (CAS 60444-78-2)
- 6-Methoxyquinoline-2,3-dicarboxylic acid (CAS 92513-52-5)
- n-Methyl-1-(3-methylpyridin-2-yl)methanamine (CAS 880361-72-8)
- Isopropyl dimethylcarbamate (CAS 38580-89-1)
- 2-Cyano-N-cyclohexyl-N-(thiazol-2-yl)acetamide (CAS 556009-87-1)
- (S)-2-Amino-2-methylhexan-1-ol (CAS 155700-99-5)
- 4-Bromo-2-(2-fluorobenzyl)pyridazin-3(2h)-one (CAS 2090506-89-9)
- 1-(Tetrahydro-2H-pyran-2-yl)-1H-pyrazole-5-sulfinic acid, lithium salt (CAS 2281768-06-5)
- 5,6-Dimethylimidazo[1,2-a]pyrazine-2-carboxylic acid (CAS 190381-54-5)
- 6-butyl-2-mercaptopyrimidin-4-ol (CAS 53939-84-7)
- tert-Butyl 4-(3-(4-nitro-1H-pyrazol-1-yl)propyl)piperidine-1-carboxylate (CAS 1625680-27-4)
- Insulin Degludec Impurity 24 (CAS CATO-C4X-215724)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com