4-Chloro-1,2-dihydro-1-methyl-2-oxo-3-quinolinecarboxaldehyde CAS 96600-76-9
| CAS No. | 96600-76-9 |
| Molecular Formula | C11H8ClNO2 |
| Molecular Weight | 221.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-Chloro-1,2-dihydro-1-methyl-2-oxo-3-quinolinecarboxaldehyde 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.
4-Chloro-1,2-dihydro-1-methyl-2-oxo-3-quinolinecarboxaldehyde (CAS 96600-76-9) is a high-purity analytical reference standard with the molecular formula C11H8ClNO2 and a molecular weight of 221.64 g/mol.
Based on its molecular formula C11H8ClNO2, 4-Chloro-1,2-dihydro-1-methyl-2-oxo-3-quinolinecarboxaldehyde contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 221.64 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H8ClNO2 |
| Molecular Weight | 221.64 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
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Recommended Standards
- 4-Amino-6-chloro-2-phenylpyridazin-3(2H)-one (CAS 867130-83-4)
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- 1,4-Bis-(2,2,2-trifluoroethyl)benzene (CAS 197312-66-6)
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- N-(2,2-Dimethylthietan-3-yl)-4-oxobutanamide (CAS 1864009-66-4)
- 4-Carbamoylbicyclo[2.2.2]Octane-1-carboxylic acid (CAS 1160591-75-2)
- C-(3-Chloro-5-trifluoromethyl-pyridin-2-yl)-methylamine; compound with acetic acid (CAS 1208081-43-9)
- Ethyl 3-amino-2,2-dimethylpropanoate (CAS 59193-77-0)
- (4-(1,1-Dioxidothiomorpholino)phenyl)boronic acid (CAS 1428324-53-1)
- 3-(2-Methoxyphenyl)-2-methylpropanoic acid (CAS 52427-12-0)
- Semaglutide Impurity 190 (CAS CATO-C4X-2226190)
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