4-Chloroquinoline-2-carboxylic acid CAS 15733-82-1
| CAS No. | 15733-82-1 |
| Molecular Formula | C10H6ClNO2 |
| Molecular Weight | 207.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-Chloroquinoline-2-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.
4-Chloroquinoline-2-carboxylic acid (CAS 15733-82-1) is a high-purity analytical reference standard with the molecular formula C10H6ClNO2 and a molecular weight of 207.61 g/mol.
Based on its molecular formula C10H6ClNO2, 4-Chloroquinoline-2-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 207.61 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
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.) | 1961 |
| 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-3-carboxylic acid (CAS 179024-66-9)
Recommended Standards
- 6-chloro-N-(2,2-difluoroethyl)-2-methylpyrimidin-4-amine (CAS 1552918-79-2)
- 6-Chloro-3-methylquinoline-5,8-dione (CAS 160196-24-7)
- 3-chloro-2-(2,2-difluoroethoxy)aniline (CAS 1552773-85-9)
- 1-(4-Chlorophenyl)-2,5-dihydro-1H-pyrrole-2,5-dione (CAS 1631-29-4)
- 2',4,4'-Trifluoro-[1,1'-biphenyl]-3-amine (CAS 1219622-36-2)
- 6-Acetoxynaphthalene-2-carboxylic acid (CAS 17295-26-0)
- Dinaphtho[2,1-d:1′,2′-f][1,3,2]dithiazepine, 2,6-diphenyl-, 3,3,5,5-tetraoxide (CAS 1384452-64-5)
- 1-Methyl-1H-indole-4-sulfonyl chloride (CAS 876316-36-8)
- 3,4-Difluorophenylhydrazine Hydrochloride (CAS 875664-54-3)
- 4-Chloro-N-(4H-1,2,4-triazol-3-yl)butanamide (CAS 901347-49-7)
- 24363-36-8 Barium di-t-butoxide Barium tert-butoxide (CAS 24363-36-8)
- Kisspeptin-54 (27-54) (human) (CAS 1135442-77-1)
- 2-(2,6-Difluoro-4-(trifluoromethyl)phenoxy)-6-methylaniline (CAS 2244086-02-8)
- Integrin Binding Peptide trifluoroacetate salt (CAS 278792-07-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com