4-(4-Chlorophenyl)-1-[(2-methylphenyl)methyl]-2-oxo-1,2-dihydropyridine-3-carbonitrile CAS 866136-45-0
| CAS No. | 866136-45-0 |
| Molecular Formula | C20H15ClN2O |
| Molecular Weight | 334.80 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C20H15ClN2O, 4-(4-Chlorophenyl)-1-[(2-methylphenyl)methyl]-2-oxo-1,2-dihydropyridine-3-carbonitrile contains a steroid 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 334.80 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.
4-(4-Chlorophenyl)-1-[(2-methylphenyl)methyl]-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 866136-45-0) is a high-purity analytical reference standard with the molecular formula C20H15ClN2O and a molecular weight of 334.80 g/mol.
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 | C20H15ClN2O |
| Molecular Weight | 334.80 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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chlorophenyl Standards
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- 3-(3-Chlorophenyl)-5-((2-fluorobenzyl)thio)-4H-1,2,4-triazol-4-amine (CAS 577997-94-5)
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Recommended Standards
- 3-(4-Chlorophenyl)-5-((4-fluorobenzyl)thio)-4H-1,2,4-triazol-4-amine (CAS 578733-60-5)
- 4-(4-Chlorophenyl)-1-[(3-methylphenyl)methyl]-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 478080-35-2)
- 4-(4-Chlorophenyl)-6-(dimethylamino)-2-phenylpyrimidine-5-carbonitrile (CAS 320417-50-3)
- 4-Chloro-N-(2-(furan-2-yl)-2-morpholinoethyl)benzamide (CAS 877631-16-8)
- (Z)-2-(2-(((3,4-dimethoxyphenethyl)imino)methyl)-1H-pyrrol-1-yl)-4,5,6,7-tetrahydrobenzo[b]thiophene-3-carbonitrile (CAS 333774-47-3)
- N-(3-carbamothioylphenyl)acetamide (CAS 93029-92-6)
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- Methyl 4-amino-3-bromo-2-methylbenzoate (CAS 1427361-33-8)
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- 1-(4-fluorophenyl)-2-(methylthio)-1H-imidazole-5-carboxylic acid (CAS 750598-95-9)
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- Semaglutide impurity 92 (CAS CATO-C4X-222692)
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