6,7-dimethoxy-2-oxo-1,2-dihydroquinoline-3-carbaldehyde CAS 101382-56-3
| CAS No. | 101382-56-3 |
| Molecular Formula | C12H11NO4 |
| Molecular Weight | 233.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6,7-dimethoxy-2-oxo-1,2-dihydroquinoline-3-carbaldehyde (CAS 101382-56-3) is a high-purity analytical reference standard with the molecular formula C12H11NO4 and a molecular weight of 233.22 g/mol.
Based on its molecular formula C12H11NO4, 6,7-dimethoxy-2-oxo-1,2-dihydroquinoline-3-carbaldehyde 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 233.22 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 6,7-dimethoxy-2-oxo-1,2-dihydroquinoline-3-carbaldehyde 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 | C12H11NO4 |
| Molecular Weight | 233.22 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.) | 1985 |
| Nitrogen Atoms | 1 |
Related dimethoxy Standards
- 1-(2,5-Dimethoxy-phenyl)-pyrrole-2,5-dione (CAS 40783-24-2)
- 1-(3,4-Dimethoxy-phenyl)-pyrrole-2,5-dione (CAS 554405-53-7)
- 1,4-Dimethoxy-2-nitronaphthalene (CAS 50885-07-9)
- 2,6-Dimethoxy-1-nitronaphthalene (CAS 39077-18-4)
- 5,8-Dimethoxy-1,2-dimethylquinolin-4(1H)-one (CAS 1209344-70-6)
- 5,8-Dimethoxy-1,4-dimethylquinolin-2(1H)-one (CAS 131451-78-0)
- (3,4-Dimethoxy-benzyl)-thiazol-2-yl-amine (CAS 1515147-36-0)
- 5,8-Dimethoxy-2,3-dimethylquinoxalin-6-amine (CAS 56393-25-0)
Recommended Standards
- Methyl 2-(5-oxo-1-(pyridin-2-yl)-2,5-dihydro-1H-pyrazol-3-yl)acetate (CAS 1013748-01-0)
- 5-Fluoro-2-(methylsulfonamido)benzoic Acid (CAS 1016788-23-0)
- 1-((Benzo[d][1,3]dioxol-5-yloxy)methyl)-1H-pyrazol-4-amine (CAS 1006456-78-5)
- 2-(1h-Indol-3-yl)succinic acid (CAS 10184-94-8)
- 3-Aminoisobutyric acid-d (CAS 1346602-62-7)
- 2',5'-Dimethoxy-[1,1'-biphenyl]-3-carbaldehyde (CAS 493030-93-6)
- 2,3,5,6,7,8-Hexahydro-1H-cyclopenta[b]naphthalen-4-amine (CAS 2172947-67-8)
- Biotin impurity 40 (CAS CATO-C4X-156340)
- 2-Chloro-4-(1-methanesulfonyl-piperidin-4-ylmethyl)-pyridine (CAS 1316225-95-2)
- 2-methylprop-1-ene-1-thiol (CAS 5954-69-8)
- tert-Butyl 2-(2,6-Difluoro-3-pyridyl)-2-oxoacetate (CAS 155601-70-0)
- tert-butyl N-{[1-(piperidin-3-yl)-1H-1,2,3-triazol-4-yl]methyl}carbamate (CAS 1909326-93-7)
- Phosphorus (CAS 7723-14-0)
- Semaglutide impurity 29 (CAS 1188328-22-4)
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