5,7-Dichloroquinoline-3-carboxylic acid CAS 948293-83-2
| CAS No. | 948293-83-2 |
| Molecular Formula | C10H5Cl2NO2 |
| Molecular Weight | 242.06 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of 5,7-Dichloroquinoline-3-carboxylic acid (C10H5Cl2NO2) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by its high hydrophobicity (logP), which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO supplies 5,7-Dichloroquinoline-3-carboxylic acid (CAS 948293-83-2), a certified reference material (molecular formula C10H5Cl2NO2, MW 242.06 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C10H5Cl2NO2 |
| Molecular Weight | 242.06 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| 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.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Dichloroquinoline Standards
- 2,8-Dichloroquinoline-3-carboxylic acid (CAS 1017172-90-5)
- 2,6-Dichloroquinoline-3-carboxylic acid (CAS 1017378-98-1)
- 2,4-Dichloroquinoline-3-carboxylic acid (CAS 151772-25-7)
- 4,6-Dichloroquinoline-3-carboxylicacid (CAS 179024-68-1)
- 4,8-Dichloroquinoline-3-carboxylic acid (CAS 179024-69-2)
- 2,4-Dichloroquinoline-7-carboxylic acid (CAS 2095165-04-9)
- 2,5-Dichloroquinoline-4-carboxylic acid (CAS 62482-27-3)
- 2,6-Dichloroquinoline-4-carboxylic acid (CAS 50503-76-9)
Recommended Standards
- 5,7-Dichloro-8-hydroxyquinoline-2-carbaldehyde (CAS 24010-07-9)
- 5-Iodo-1H-indene (CAS 75476-79-8)
- 4,8-Dichloroquinoline-2-carboxylic acid (CAS 902742-81-8)
- 6,7-Dichloroquinoline-3-carboxylic acid (CAS 948294-42-6)
- 2-((5-((4-Chlorophenoxy)methyl)-4-phenyl-4H-1,2,4-triazol-3-yl)thio)-N-(2,4-dimethylphenyl)acetamide (CAS 332948-47-7)
- 7-Decylquinolin-8-ol (CAS 88559-41-5)
- 1-(Tert-butyl) 2-ethyl (2R,3S)-3-methylpyrrolidine-1,2-dicarboxylate (CAS 1048005-88-4)
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