7-Chloro-8-methyl-2-(p-tolyl)quinoline-4-carboxylic acid CAS 588712-25-8
| CAS No. | 588712-25-8 |
| Molecular Formula | C18H14ClNO2 |
| Molecular Weight | 311.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 7-Chloro-8-methyl-2-(p-tolyl)quinoline-4-carboxylic acid (CAS 588712-25-8), a certified reference material (molecular formula C18H14ClNO2, MW 311.76 g/mol) for analytical method development and quality control.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 7-Chloro-8-methyl-2-(p-tolyl)quinoline-4-carboxylic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 311.76 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 7-Chloro-8-methyl-2-(p-tolyl)quinoline-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 | C18H14ClNO2 |
| Molecular Weight | 311.76 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 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
- Ethyl 2-chloro-4-phenylquinoline-3-carboxylate (CAS 101606-42-2)
- 2-Chloro-N-(4-(2-morpholinoacetamido)phenyl)acetamide (CAS 1049872-60-7)
- 4-Chloro-6,7-bis(2-methoxyethoxy)quinoline (CAS 1137579-56-6)
- 3-Acetyl-6-chloro-4-(4-methylphenyl)quinolin-2(1H)-one (CAS 1283108-80-4)
- Ethyl 6-chloro-4-phenylquinoline-3-carboxylate (CAS 128832-35-9)
- (4-Chloro-6-methoxyquinolin-3-yl)(p-tolyl)methanone (CAS 1351792-84-1)
- 2-Boc-6-chloro-3,4-dihydro-1H-isoquinoline-1-carboxylic acid (CAS 871730-33-5)
- 2-Chloro-3-(phenethylamino)naphthalene-1,4-dione (CAS 6307-22-8)
Recommended Standards
- 7-Chloro-8-methyl-2-(o-tolyl)quinoline-4-carboxylic acid (CAS 862647-91-4)
- 8-Chloro-2-(2,4-dimethylphenyl)quinoline-4-carboxylic acid (CAS 433249-00-4)
- 7-Chloro-8-methyl-2-(m-tolyl)quinoline-4-carboxylic acid (CAS 725705-50-0)
- 8-Chloro-2-(2,5-dimethylphenyl)quinoline-4-carboxylic acid (CAS 862647-94-7)
- Methyl 2-((4-nitro-1h-pyrazol-1-yl)methyl)benzoate (CAS 1005612-69-0)
- 7-(Trifluoromethoxy)isatin (CAS 149125-30-4)
- N-(5-bromo-2-methoxybenzyl)pentan-3-amine hydrobromide (CAS 1609404-11-6)
- Lorazepam Impurity 13 (CAS CATO-C4X-104113)
- 4-(4,5-Dichloro-1H-imidazol-1-yl)-3-nitrobenzonitrile (CAS 649665-44-1)
- 6,8-Dibromo-3-(o-tolylsulfonyl)quinolin-2-amine (CAS 861210-88-0)
- N-Phenyl-1-naphthylamine (CAS 90-30-2)
- (1-(2,2,2-Trifluoroethyl)-1H-pyrrolo[2,3-b]pyridin-5-yl)methanamine (CAS 2306268-45-9)
- Benzyl (3R,4S)-3-amino-4-methylpiperidine-1-carboxylate (CAS 2165360-52-9)
- Semaglutide impurity 95 (CAS CATO-C4X-222695)
Why CATO?
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com