Methyl 3-{1-[(4-chlorophenyl)methyl]-6-oxo-1,6-dihydropyridine-3-amido}thiophene-2-carboxylate CAS 339008-57-0
| CAS No. | 339008-57-0 |
| Molecular Formula | C19H15ClN2O4S |
| Molecular Weight | 402.85 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 402.85 g/mol gives Methyl 3-{1-[(4-chlorophenyl)methyl]-6-oxo-1,6-dihydropyridine-3-amido}thiophene-2-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Methyl 3-{1-[(4-chlorophenyl)methyl]-6-oxo-1,6-dihydropyridine-3-amido}thiophene-2-carboxylate (CAS 339008-57-0), molecular formula C19H15ClN2O4S and molecular weight 402.85 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C19H15ClN2O4S, Methyl 3-{1-[(4-chlorophenyl)methyl]-6-oxo-1,6-dihydropyridine-3-amido}thiophene-2-carboxylate contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 402.85 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
As a certified reference material (CRM), Methyl 3-{1-[(4-chlorophenyl)methyl]-6-oxo-1,6-dihydropyridine-3-amido}thiophene-2-carboxylate 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 | C19H15ClN2O4S |
| Molecular Weight | 402.85 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 1-[2-(4-Chlorophenyl)-4-methyl-1,3-thiazol-5-yl]-3-hydroxy-3-(2-nitrophenyl)propan-1-one (CAS 478079-15-1)
- 4-(((3-(2-Chlorophenyl)-5-thioxo-1H-1,2,4-triazol-4(5H)-yl)imino)methyl)-2-methoxyphenyl acetate (CAS 478254-37-4)
- N-(3-Chlorophenyl)-N-(3-nitrobenzyl)benzenesulfonamide (CAS 337354-89-9)
- (1-(4-Chlorophenyl)-1H-pyrazol-4-yl)(2-((3-methylbenzyl)oxy)phenyl)methanone (CAS 955963-33-4)
- 2-(4-(4-Chlorophenyl)-4-ethyl-2,5-dioxoimidazolidin-1-yl)-N-(1-cyanocyclohexyl)acetamide (CAS 878213-16-2)
- 2-(4-Chlorophenyl)-N-(4-ethoxyphenyl)quinoline-4-carboxamide (CAS 332156-93-1)
- 9B-(4-chlorophenyl)-1-(4-methylbenzoyl)-1H,2H,3H,5H,9bH-imidazo[2,1-a]isoindol-5-one (CAS 477886-49-0)
- 1-(4-Chlorophenyl)-3-{1-[(2E)-3-phenylprop-2-enoyl]-1H-pyrazol-3-yl}-1,4-dihydropyridazin-4-one (CAS 318498-12-3)
Recommended Standards
- AZD3759-30 (CAS 612500-78-4)
- AZD-1236 (CAS 459814-89-2)
- N'-[(1E)-{4-[(2-chloro-1,3-thiazol-5-yl)methoxy]-3-methoxyphenyl}methylidene]pyridine-4-carbohydrazide (CAS 339018-45-0)
- 6-(((4,6-Dimethylpyrimidin-2-yl)thio)methyl)-4-oxo-4H-pyran-3-yl 2-chlorobenzoate (CAS 877635-63-7)
- 1-(2-aminopropoxy)-2-(trifluoromethyl)benzene (CAS 883542-94-7)
- 1-(3-Methoxyphenyl)butan-1-amine hydrochloride (CAS 1864057-25-9)
- Pyrazolo[1,5-a]pyrimidin-7(4H)-one (CAS 29274-23-5)
- (1R,3R)-cyclopentane-1,3-diamine (CAS 1800560-57-9)
- Mepivacaine EP Impurity E (CAS 2717331-30-9)
- 3-Methoxy-N-(4-(methoxymethyl)-6-methyl-2-oxo-1,2-dihydroquinolin-7-yl)benzamide (CAS 866050-76-2)
- Brusatol (CAS 14907-98-3)
- 5-(3-Aminophenyl)pyrimidin-4-ol (CAS 1111117-19-1)
- 4-((1H-Pyrrolo[2,3-b]pyridin-3-yl)methyl)piperazine-1-carbaldehyde (CAS 625386-56-3)
- Semaglutide impurity 91 (CAS CATO-C4X-222691)
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