4-(2,4-Dichlorophenyl)-2-methyl-6-oxo-1,4,5,6-tetrahydropyridine-3-carboxylic acid CAS 423120-07-4
| CAS No. | 423120-07-4 |
| Molecular Formula | C13H11Cl2NO3 |
| Molecular Weight | 300.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 300.14 g/mol gives 4-(2,4-Dichlorophenyl)-2-methyl-6-oxo-1,4,5,6-tetrahydropyridine-3-carboxylic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-(2,4-Dichlorophenyl)-2-methyl-6-oxo-1,4,5,6-tetrahydropyridine-3-carboxylic acid (CAS 423120-07-4) is a high-purity analytical reference standard with the molecular formula C13H11Cl2NO3 and a molecular weight of 300.14 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 4-(2,4-Dichlorophenyl)-2-methyl-6-oxo-1,4,5,6-tetrahydropyridine-3-carboxylic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 300.14 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.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C13H11Cl2NO3 |
| Molecular Weight | 300.14 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; 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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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- Ethyl 2-(3,4-Dichlorophenyl)-5-methyloxazole-4-carboxylate (CAS 1443981-03-0)
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Recommended Standards
- 4-((6,8-Dichloroquinazolin-4-yl)amino)butanoic acid (CAS 886499-14-5)
- 4-{[(3,5-dichlorophenyl)amino]methylidene}-3-(methoxymethyl)-4,5-dihydro-1H-pyrazol-5-one (CAS 240799-64-8)
- 3-Amino-3-(5-(3,4-dichlorophenyl)furan-2-yl)propanoic acid (CAS 773125-94-3)
- 4-Chloro-2-(3-chlorophenyl)-5-((2-hydroxyethyl)amino)pyridazin-3(2H)-one (CAS 320421-79-2)
- Methyl 2-(2-formylphenoxy)-5-nitrobenzoate (CAS 1338782-20-9)
- 5-(3-Bromobut-3-en-1-yl)-2-chloropyridine (CAS 951886-60-5)
- (S)-2-Amino-5-phosphonopentanoic acid hydrochloride (CAS 95306-96-0)
- 2-Ethoxy-5-(4-fluorobenzoylamino)benzenesulfonyl chloride (CAS 680618-06-8)
- 2-((1-Cyanocyclohexyl)amino)-2-oxoethyl 2,3-dimethyl-1H-indole-5-carboxylate (CAS 878098-07-8)
- 3-(2-Chlorophenyl)-5-ethyl-1,2-oxazole-4-carboxylic acid (CAS 91961-51-2)
- 2-Benzyl-2H-indazol-4-amine (CAS 82013-52-3)
- 2-Bromo-3-iodo-6-methylpyridine (CAS 1227579-03-4)
- 3-Ethylisoxazole-5-carboxylic acid (CAS 14633-21-7)
- Liraglutide Impurity 25 (CAS CATO-C4X-199225)
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