6-Chloro-2-(3,4-dimethylphenyl)quinoline-4-carboxylic acid CAS 445289-11-2
| CAS No. | 445289-11-2 |
| Molecular Formula | C18H14ClNO2 |
| Molecular Weight | 311.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 6-Chloro-2-(3,4-dimethylphenyl)quinoline-4-carboxylic acid is closely related to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
6-Chloro-2-(3,4-dimethylphenyl)quinoline-4-carboxylic acid (CAS 445289-11-2), molecular formula C18H14ClNO2 and molecular weight 311.76 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C18H14ClNO2, 6-Chloro-2-(3,4-dimethylphenyl)quinoline-4-carboxylic acid contains a steroid core, 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 311.76 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.
CATO manufactures 6-Chloro-2-(3,4-dimethylphenyl)quinoline-4-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C18H14ClNO2 |
| Molecular Weight | 311.76 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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; 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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- Ethyl 2-chloro-4-phenylquinoline-3-carboxylate (CAS 101606-42-2)
- 2-Chloro-N-(4-(2-morpholinoacetamido)phenyl)acetamide (CAS 1049872-60-7)
- 4-Chloro-6,7-bis(2-methoxyethoxy)quinoline (CAS 1137579-56-6)
- 3-Acetyl-6-chloro-4-(4-methylphenyl)quinolin-2(1H)-one (CAS 1283108-80-4)
- Ethyl 6-chloro-4-phenylquinoline-3-carboxylate (CAS 128832-35-9)
- (4-Chloro-6-methoxyquinolin-3-yl)(p-tolyl)methanone (CAS 1351792-84-1)
- 2-Boc-6-chloro-3,4-dihydro-1H-isoquinoline-1-carboxylic acid (CAS 871730-33-5)
- 2-Chloro-3-(phenethylamino)naphthalene-1,4-dione (CAS 6307-22-8)
Recommended Standards
- 6-Chloro-2-(2,4-dimethylphenyl)quinoline-4-carboxylic acid (CAS 587852-34-4)
- 6-Chloro-2-(4-ethylphenyl)quinoline-4-carboxylic acid (CAS 897559-96-5)
- 5-Chloro-3-(morpholinosulfonyl)thiophene-2-carboxylic acid (CAS 948015-50-7)
- 6-Chloro-3-methyl-2-(p-tolyl)quinoline-4-carboxylic acid (CAS 847503-15-5)
- 3-(1-(1,1-Dioxidotetrahydrothiophen-3-yl)-3,5-dimethyl-1h-pyrazol-4-yl)propanoic acid (CAS 1052561-26-8)
- 6-(4-(Pyridin-4-ylamino)phenyl)pyridazin-3(2H)-one (CAS 98326-38-6)
- 4-(4-Methyl-1H-indazol-1-yl)-4-oxobutanoic acid (CAS 902937-33-1)
- 5-Amino-7-bromoquinoline (CAS 1588440-90-7)
- Methyl 5-chloro-1H-imidazole-4-carboxylate (CAS 1192372-11-4)
- Azapetine HCl (CAS 65-15-6)
- [1-(4-Bromophenyl)cyclopentyl]methanol (CAS 1346689-83-5)
- Flurbiprofen impurity 103 (CAS CATO-C4X-1444103)
- (S)-1-(tert-Butoxycarbonyl)-4-(3-fluoro-2-(trifluoro-methyl)phenyl)piperazine-2-carboxylic acid 1787023-18-0 (CAS 1787023-18-0)
- Semaglutide Impurity 166 (CAS 1395881-03-4)
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