6-Methoxy-7-methylquinoline-5,8-dione CAS 97581-22-1
| CAS No. | 97581-22-1 |
| Molecular Formula | C11H9NO3 |
| Molecular Weight | 203.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C11H9NO3, 6-Methoxy-7-methylquinoline-5,8-dione 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 203.19 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 6-Methoxy-7-methylquinoline-5,8-dione (CAS 97581-22-1), a certified reference material (molecular formula C11H9NO3, MW 203.19 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.
As a certified reference material (CRM), 6-Methoxy-7-methylquinoline-5,8-dione 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 | C11H9NO3 |
| Molecular Weight | 203.19 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, ethanol, DMSO |
| 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.) | 1984 |
| Nitrogen Atoms | 1 |
Related Methoxy Standards
- 4-Methoxy-[1,3]dioxolo[4,5-h]isoquinoline (CAS 110103-20-3)
- 8-Methoxy-2-methylquinoline-5,6-dione (CAS 120051-18-5)
- 4-(2-Methoxy-acetyl)-morpholine-3-carboxylic acid (CAS 1316219-80-3)
- 1-Methoxy-3-nitronaphthalene (CAS 13802-40-9)
- 143571-91-9 7-Methoxy-2-oxo-1,2-dihydroquinoline-3-carbaldehyde AZ0001-0360 (CAS 143571-91-9)
- 8-Methoxy-2-oxo-1,2-dihydroquinoline-4-carbaldehyde (CAS 143571-92-0)
- 5-methoxy-2-nitrobenzoic acid (CAS 1882-69-5)
- 1-Methoxy-4-nitronaphthalene (CAS 4900-63-4)
Recommended Standards
- 6-Hydroxy-2-methylquinoline-4-carboxylic acid (CAS 50741-53-2)
- 6-Methoxyisoquinoline-3-carboxylic acid (CAS 224321-69-1)
- 6-amino-4-hydroxy-2-naphthoic acid (CAS 64955-20-0)
- 6-Methoxyquinoline-2-carboxylic acid (CAS 75433-99-7)
- 7,8-dihydro-1,7-naphthyridin-8-one (CAS 67967-11-7)
- Cicletanine-d4 Hydrochloride (CAS 1189491-41-5)
- 4-Ethynyl-3-iodopyridine (CAS 860021-80-3)
- 4-(3,4-Difluorophenyl)pyrrolidin-2-one (CAS 875446-03-0)
- 1,1'-Dipropyl-[4,4'-bipyridine]-1,1'-diium bromide (CAS 52243-87-5)
- 2-[4-(2-methylbutan-2-yl)cyclohexyl]ethan-1-ol (CAS 1803610-89-0)
- 6,8-Dibromo-4-chloro-2-(trifluoromethyl)pyrido[3,4-d]pyrimidine (CAS 2119690-69-4)
- 5-Chloro-N-(2-(furan-3-yl)ethyl)thiophene-2-carboxamide (CAS 1428352-42-4)
- (2E)-7-Chloro-2-{[(4-methoxyphenyl)amino]methylidene}-3,4-dihydro-2H-1,4-benzothiazin-3-one (CAS 338417-11-1)
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