2-(2-Chlorophenyl)-4-oxo-1,4-dihydroquinoline-8-carboxylic acid CAS 90034-68-7
| CAS No. | 90034-68-7 |
| Molecular Formula | C16H10ClNO3 |
| Molecular Weight | 299.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C16H10ClNO3, 2-(2-Chlorophenyl)-4-oxo-1,4-dihydroquinoline-8-carboxylic acid 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 299.71 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).
2-(2-Chlorophenyl)-4-oxo-1,4-dihydroquinoline-8-carboxylic acid (CAS 90034-68-7), molecular formula C16H10ClNO3 and molecular weight 299.71 g/mol, is a CATO reference standard with documented purity and traceability.
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), 2-(2-Chlorophenyl)-4-oxo-1,4-dihydroquinoline-8-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.
Physical & Chemical Properties
| Molecular Formula | C16H10ClNO3 |
| Molecular Weight | 299.71 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 sealed and dry, 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chlorophenyl Standards
- 1-(4-Chlorophenyl)-5-phenyl-1H-1,2,3-triazole-4-carboxylic acid (CAS 1017456-61-9)
- 1-(2-Chlorophenyl)-5-phenyl-1h-1,2,4-triazole-3-carboxylic acid (CAS 1038339-19-3)
- 2-(3-Chlorophenyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxylic acid (CAS 1185101-85-2)
- 2-(2-Chlorophenyl)-1-oxo-1,2-dihydroisoquinoline-4-carboxylic acid (CAS 1429902-98-6)
- 3-(3-Chlorophenyl)-5-(3-nitrophenyl)-1H-pyrazole (CAS 143704-43-2)
- (Z)-3-(((3-chlorophenyl)amino)methylene)chromane-2,4-dione (CAS 385786-10-7)
- 2-(2-(4-Chlorophenyl)-2-oxoethyl)isoindoline-1,3-dione (CAS 82585-51-1)
- 2-(2-Chlorophenyl)-4-hydroxyquinoline-3-carboxylic acid (CAS 856086-79-8)
Recommended Standards
- 2-(2-Chlorophenyl)-4-oxo-1,4-dihydroquinoline-6-carboxylic acid (CAS 90034-05-2)
- 2-(3-Chlorophenyl)-4-oxo-1,4-dihydroquinoline-6-carboxylic acid (CAS 90034-13-2)
- 2-(3-Chlorophenyl)-4-oxo-1,4-dihydroquinoline-8-carboxylic acid (CAS 90034-70-1)
- 2-(2-Chlorobenzoyl)-3-phenylisoxazol-5(2H)-one (CAS 303987-07-7)
- 7-chloro-3-(2-furylmethyl)-2-mercaptoquinazolin-4(3H)-one (CAS 451465-71-7)
- 2-(5-Bromopyridin-2-yl)propan-2-amine (CAS 1211518-99-8)
- 3-Methoxyquinolin-2-amine (CAS 116088-67-6)
- 1-(Methylthio)-3-phenylcyclobutane-1-carboxylic acid (CAS 1494292-33-9)
- 6-fluorobenzothiophene-3-carboxylic acid (CAS 1692290-24-6)
- 4-Chloro-1-(4-chlorophenyl)-1-oxobutan-2-yl 4-aminobenzoate (CAS 1160264-24-3)
- 2-Bromo-5-fluorobenzofuran-3(2H)-one (CAS 1823950-80-6)
- 3-(Oxetan-3-ylmethyl)-4-(trifluoromethyl)aniline (CAS 1820739-98-7)
- 6-tert-Butyl 8-ethyl 6-azaspiro[3.4]octane-6,8-dicarboxylate (CAS 2055841-96-6)
- Semaglutide Impurity 16 (CAS CATO-C4X-222616)
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