8-Chloroquinoline-3-carboxylic acid CAS 71082-54-7
| CAS No. | 71082-54-7 |
| Molecular Formula | C10H6ClNO2 |
| Molecular Weight | 207.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 207.61 g/mol gives 8-Chloroquinoline-3-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
8-Chloroquinoline-3-carboxylic acid (CAS 71082-54-7), molecular formula C10H6ClNO2 and molecular weight 207.61 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 8-Chloroquinoline-3-carboxylic acid (C10H6ClNO2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 207.61 g/mol, it falls into the medium-molecular-weight range. 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.
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 | C10H6ClNO2 |
| Molecular Weight | 207.61 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, faint amine-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.) | 1977 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloroquinoline Standards
- 2-Chloroquinoline-5-carboxylic Acid (CAS 1092287-30-3)
- 2-Chloroquinoline-7-carboxylic acid (CAS 1092287-40-5)
- 8-Chloroquinoline-4-carboxylic acid (CAS 121490-66-2)
- 8-chloroquinoline-5-carboxylic acid (CAS 121490-68-4)
- 3-Chloroquinoline-8-carboxylic acid (CAS 125300-42-7)
- 7-Chloroquinoline-4-carboxylic Acid (CAS 13337-66-1)
- 5-Chloroquinoline-3-carboxylic Acid (CAS 1416439-55-8)
- 4-Chloroquinoline-2-carboxylic acid (CAS 15733-82-1)
Recommended Standards
- 8-Chloroquinoline-2-carboxylic acid (CAS 915922-73-5)
- 8-Chloroquinoline-6-carboxylic acid (CAS 6495-81-4)
- 8-Chloroisoquinoline-5-carboxylic acid (CAS 945470-53-1)
- 8-Chloroquinoline-7-carboxylic acid (CAS 945470-49-5)
- N-isobutyl-2-(2-nitrophenoxy)acetamide (CAS 446857-18-7)
- N-(4-Ethoxyphenyl)-3-(5-(3-nitrophenyl)furan-2-yl)propanamide (CAS 853329-80-3)
- 3-(1,1-Difluoroethyl)pyrrolidine (CAS 1554370-14-7)
- Evocalcet Impurity 18 HCl (CAS CATO-C4X-248518)
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