7-Chloro-2-(2,5-dimethoxyphenyl)-8-methylquinoline-4-carboxylic acid CAS 847503-17-7
| CAS No. | 847503-17-7 |
| Molecular Formula | C19H16ClNO4 |
| Molecular Weight | 357.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
7-Chloro-2-(2,5-dimethoxyphenyl)-8-methylquinoline-4-carboxylic acid (CAS 847503-17-7) is a high-purity analytical reference standard with the molecular formula C19H16ClNO4 and a molecular weight of 357.79 g/mol.
Owing to a flavonoid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 7-Chloro-2-(2,5-dimethoxyphenyl)-8-methylquinoline-4-carboxylic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 357.79 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 7-Chloro-2-(2,5-dimethoxyphenyl)-8-methylquinoline-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 | C19H16ClNO4 |
| Molecular Weight | 357.79 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 6-Chloro-N,N-bis(3-methoxyphenyl)-1,3,5-triazine-2,4-diamine (CAS 109002-61-1)
- 2-Chloro-4-(dibenzo[b,d]furan-4-yl)-6-phenyl-1,3,5-triazine (CAS 1472729-25-1)
- 2-Chloro-4-(dibenzo[b,d]furan-2-yl)-6-phenyl-1,3,5-triazine (CAS 1618107-00-8)
- 1-(4-Chloro-7-methoxyquinolin-2-yl)-3-(4-methoxyphenyl)urea (CAS 195133-49-4)
- 2-(4-Chloro-2-methylphenoxy)-N'-[(3E)-1-methyl-2-oxo-2,3-dihydro-1H-indol-3-ylidene]acetohydrazide (CAS 330567-03-8)
- 2-(5-Chloro-1-(ethoxycarbonyl)-3-phenyl-2H-isoindol-2-yl)acetic acid (CAS 61295-12-3)
- 5-(3-Chloro-4-methoxyphenyl)-N-(3-methoxyphenyl)furan-2-carboxamide (CAS 853333-12-7)
- 6-Chloro-N2,N4-bis(2-methoxyphenyl)-1,3,5-triazine-2,4-diamine (CAS 62752-06-1)
Recommended Standards
- 6-Chloro-N2,N4-bis(4-methoxyphenyl)-1,3,5-triazine-2,4-diamine (CAS 6737-62-8)
- 7-Chloro-2-(3,4-dimethoxyphenyl)-8-methylquinoline-4-carboxylic acid (CAS 588696-86-0)
- A 803467, >98% (CAS 944261-79-4)
- 5-Benzyl-2-(ethylthio)-6-oxo-3,6-dihydropyrimidine-4-carbaldehyde (CAS 21327-97-9)
- 5-Methyl-2-(3,4,5-trifluorobenzoyl)pyridine (CAS 1187163-74-1)
- 2-amino-3-hydroxy-4-phenylbutanoic acid (CAS 50731-50-5)
- 4-Chloro-1H-indazole-3-carbonitrile (CAS 1264481-55-1)
- Vericiguat Impurity 104 (CAS CATO-C4X-2896104)
- 2,3,4,5-Tetrahydro-1H-benzo[e][1,4]diazepin-8-amine (CAS 886366-73-0)
- 3-bromo-1-(1-methyl-1H-pyrazol-4-yl)piperidin-2-one (CAS 1306606-63-2)
- 3,3’-Bicarbazole (CAS 1984-49-2)
- 1-(2,5-Difluorobenzoyl)piperazine (CAS 179334-11-3)
- 4-(4-(4-Fluorophenoxy)-5-methyl-1H-pyrazol-3-yl)benzene-1,3-diol (CAS 297147-95-6)
- Semaglutide impurity 202 (CAS CATO-C4X-2226202)
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