2-(4-Aminophenyl)-6,8-dimethylquinoline-4-carboxylic acid CAS 590357-65-6
| CAS No. | 590357-65-6 |
| Molecular Formula | C18H16N2O2 |
| Molecular Weight | 292.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 2-(4-Aminophenyl)-6,8-dimethylquinoline-4-carboxylic acid (CAS 590357-65-6), a certified reference material (molecular formula C18H16N2O2, MW 292.33 g/mol) for analytical method development and quality control.
Structurally, 2-(4-Aminophenyl)-6,8-dimethylquinoline-4-carboxylic acid (C18H16N2O2) contains a steroid core, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 292.33 g/mol, it falls into the medium-molecular-weight range. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
As a certified reference material (CRM), 2-(4-Aminophenyl)-6,8-dimethylquinoline-4-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 | C18H16N2O2 |
| Molecular Weight | 292.33 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 2 |
Related Aminophenyl Standards
- 2-(3-Aminophenyl)-6,8-dimethylquinoline-4-carboxylic acid (CAS 590359-90-3)
- 2-(4-Aminophenyl)-6-ethylquinoline-4-carboxylic acid (CAS 590358-31-9)
- 1-[(4-Aminophenyl)methyl]-N-phenyl-imidazole-4-carboxamide (CAS 1351843-58-7)
- 4-((4-Aminophenyl)sulfonamido)benzoic acid (CAS 6336-70-5)
- 1-(4-Aminophenyl)-n-(4-methoxyphenyl)methanesulfonamide (CAS 1040033-29-1)
- 2-((4-((4-Aminophenyl)sulfonyl)phenyl)amino)ethanol (CAS 80-02-4)
- 2-(4-Aminophenyl)-N-(2-(difluoromethoxy)phenyl)acetamide (CAS 1094442-47-3)
- (2E)-1-(4-Aminophenyl)-3-(2,4-dichlorophenyl)prop-2-en-1-one (CAS 1188369-64-3)
Recommended Standards
- 2-(4-Amino-1-((benzyloxy)carbonyl)piperidin-4-yl)acetic acid (CAS 303037-50-5)
- 2-(4-Allyl-5-mercapto-4H-[1,2,4]triazol-3-yl)-N-(2-fluoro-phenyl)-acetamide (CAS 792944-59-3)
- 2-(4-Methoxyquinolin-6-yl)-1-(6-methylpyridin-2-yl)ethanone (CAS 676262-09-2)
- 2-(4,5-Diphenyl-1H-imidazol-1-yl)propanoic acid (CAS 68341-89-9)
- tert-Butyl (4-acetyl-3-hydroxyphenyl)carbamate (CAS 1258868-22-2)
- 2-(3-Methylbutanamido)-2-phenylacetic acid (CAS 60050-52-4)
- 1,4-Bis(iodomethyl)-Benzene (CAS 30362-89-1)
- Fmoc-<I>N</I>-(4-Boc-aminobutyl)-Gly-OH (CAS 171856-09-0)
- Methyl 5-(dimethoxymethyl)pyridine-3-carboxylate (CAS 2055119-34-9)
- 7-Hydroxy-4-oxo-4h-chromene-2-carboxylic acid (CAS 30113-83-8)
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