6,8-Dimethyl-2-oxo-1,2-dihydroquinoline-3-carbaldehyde CAS 332883-19-9
| CAS No. | 332883-19-9 |
| Molecular Formula | C12H11NO2 |
| Molecular Weight | 201.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C12H11NO2, 6,8-Dimethyl-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 201.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
6,8-Dimethyl-2-oxo-1,2-dihydroquinoline-3-carbaldehyde (CAS 332883-19-9) is a high-purity analytical reference standard with the molecular formula C12H11NO2 and a molecular weight of 201.22 g/mol.
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), 6,8-Dimethyl-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 | C12H11NO2 |
| Molecular Weight | 201.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
Related Dimethyl Standards
- 1,7-Dimethyl-2-oxo-1,2-dihydroquinoline-4-carbaldehyde (CAS 104338-14-9)
- 1,6-Dimethyl-2-oxo-1,2-dihydroquinoline-4-carbaldehyde (CAS 104338-55-8)
- 2,4-dimethyl piperidine-2,4-dicarboxylate (CAS 113750-13-3)
- 1,3-Dimethyl-4-(phenylimino)-1H-pyrazol-5(4H)-one (CAS 116342-67-7)
- 1,6-Dimethyl-2-oxo-1,2-dihydroquinoline-3-carbaldehyde (CAS 118672-67-6)
- 1,8-Dimethyl-2-oxo-1,2-dihydroquinoline-3-carbaldehyde (CAS 118672-69-8)
- 1-(2,6-Dimethyl-phenyl)-pyrrole-2,5-dione (CAS 1206-49-1)
- 4-(Dimethyl-1h-1,2,4-triazol-1-yl)benzaldehyde (CAS 1249124-17-1)
Recommended Standards
- 6,7-Dimethylquinoline-4-carboxylic acid (CAS 854858-79-0)
- 6,8-Dimethylquinoline-3-carboxylic acid (CAS 213013-16-2)
- 6,7,8,9-Tetrahydrobez[g]isatin (CAS 92952-46-0)
- 6-Acetyl-1-methylquinolin-2(1H)-one (CAS 27330-09-2)
- 2-(2,5-dimethylfuran-3-yl)propanoic acid (CAS 1240526-46-8)
- 2-(5-(3-(6-((2,5-Dioxopyrrolidin-1-yl)oxy)-6-oxohexyl)-1,1-dimethyl-6,8-disulfo-1,3-dihydro-2H-benzo[e]indol-2-ylidene)penta-1,3-dien-1-yl)-3-ethyl-1,1-dimethyl-8-sulfo-1H-benzo[e]indol-3-ium-6-sulfonate (CAS 442912-55-2)
- 5-Amino-2-fluoro-4-methoxybenzoic acid hydrochloride (CAS 2138040-24-9)
- (S)-2-Amino-N,3-dimethyl-N-(2-oxo-2-(pyrazin-2-yl)ethyl)butanamide (CAS 1354018-54-4)
- 2-(3-aminooxetan-3-yl)ethan-1-ol hydrochloride (CAS 2138271-93-7)
- N-(2-Ethoxyphenyl)-2-(4-(trifluoromethyl)phenyl)morpholine-4-carboxamide (CAS 1351619-69-6)
- n-((5-Methylfuran-2-yl)methyl)pentan-1-amine (CAS 1019518-02-5)
- methyl 2-(N-hydroxyimino)-4-oxo-4-(pyridin-3-yl)butanoate (CAS 23424-37-5)
- 4-Hydroxy-5-methyl-2-methylene-3(2H)-furanone (CAS 948557-12-8)
- Semaglutide Impurity 21(HO-Ste-L-γGlu-AEEA-AEEA-OH) (CAS 1335440-44-2)
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