7-Chloro-2-(3,4-dimethoxyphenyl)-8-methylquinoline-4-carboxylic acid CAS 588696-86-0
| CAS No. | 588696-86-0 |
| Molecular Formula | C19H16ClNO4 |
| Molecular Weight | 357.79 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 7-Chloro-2-(3,4-dimethoxyphenyl)-8-methylquinoline-4-carboxylic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
7-Chloro-2-(3,4-dimethoxyphenyl)-8-methylquinoline-4-carboxylic acid (CAS 588696-86-0), molecular formula C19H16ClNO4 and molecular weight 357.79 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H16ClNO4, 7-Chloro-2-(3,4-dimethoxyphenyl)-8-methylquinoline-4-carboxylic acid contains a flavonoid core, 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 357.79 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.) | 1984 |
| 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
- 7-Chloro-2-(2,5-dimethoxyphenyl)-8-methylquinoline-4-carboxylic acid (CAS 847503-17-7)
- A 803467, >98% (CAS 944261-79-4)
- 6-Chloro-N2,N4-bis(4-methoxyphenyl)-1,3,5-triazine-2,4-diamine (CAS 6737-62-8)
- Clometacin (CAS 25803-14-9)
- 4-Bromo-5-fluoro-2,2-dimethyl-2,3-dihydrobenzofuran-7-carboxylic acid (CAS 2748790-08-9)
- 1-(4-Aminophenyl)-N-ethylpiperidine-4-carboxamide (CAS 1175697-99-0)
- 2-((5-(3-Hydroxynaphthalen-2-yl)-1,3,4-oxadiazol-2-yl)thio)-N-(naphthalen-2-yl)-N-phenylacetamide (CAS 332377-17-0)
- Tert-butyl 6-oxa-2,9-diazaspiro[4.5]Decane-2-carboxylate hydrochloride (CAS 2095192-19-9)
- 3-Bromo-4-methoxybenzamide (CAS 200956-55-4)
- 2,2-Difluoro-2-(4-fluorophenoxy)-N-(4-methoxyphenyl)acetamide (CAS 338792-49-7)
- 3-Amino-2-(benzo[d][1,3]dioxol-5-yl)quinazolin-4(3H)-one (CAS 1363405-78-0)
- Diquafosol Impurity 22 (CAS CATO-C4X-214922)
- 2-Propoxy-5-(pyrrolidin-1-yl)benzoic acid hydrochloride (CAS 1185038-20-3)
- Semaglutide impurity 74 (CAS CATO-C4X-222674)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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