4-(4-Chlorophenyl)-1-[(3-methylphenyl)methyl]-2-oxo-1,2-dihydropyridine-3-carbonitrile CAS 478080-35-2
| CAS No. | 478080-35-2 |
| Molecular Formula | C20H15ClN2O |
| Molecular Weight | 334.80 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4-(4-Chlorophenyl)-1-[(3-methylphenyl)methyl]-2-oxo-1,2-dihydropyridine-3-carbonitrile 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.
4-(4-Chlorophenyl)-1-[(3-methylphenyl)methyl]-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 478080-35-2) is a high-purity analytical reference standard with the molecular formula C20H15ClN2O and a molecular weight of 334.80 g/mol.
Structurally, 4-(4-Chlorophenyl)-1-[(3-methylphenyl)methyl]-2-oxo-1,2-dihydropyridine-3-carbonitrile (C20H15ClN2O) contains a steroid core, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 334.80 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | 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.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chlorophenyl Standards
- 1-(2-Chlorophenyl)-3-(1-(3-methyl-1,2,4-oxadiazol-5-yl)cyclohexyl)urea (CAS 1396864-79-1)
- 1-(3-Chlorophenyl)-3-((1-cyclohexyl-1H-tetrazol-5-yl)methyl)urea (CAS 921110-42-1)
- 1-[(4-Chlorophenyl)methyl]-5-(4-methylphenyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 338964-91-3)
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Recommended Standards
- 4-(4-Chlorophenyl)-1-[(2-methylphenyl)methyl]-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 866136-45-0)
- 4-(4-Chlorophenyl)-6-(dimethylamino)-2-phenylpyrimidine-5-carbonitrile (CAS 320417-50-3)
- 3-(4-Chlorophenyl)-5-((4-fluorobenzyl)thio)-4H-1,2,4-triazol-4-amine (CAS 578733-60-5)
- 4-Chloro-N-(2-(furan-2-yl)-2-morpholinoethyl)benzamide (CAS 877631-16-8)
- N-(3-aminophenyl)tetrahydrofuran-2-carboxamide (CAS 926219-04-7)
- 1-(3-Bromopropyl)-4,4-difluoropiperidine (CAS 1782084-16-5)
- 6-Ethyl-N,N,1,3-tetramethyl-1,6-dihydroimidazo[4,5-c]pyrazol-5-amine (CAS 754164-30-2)
- Apalutamide Impurity 79 (CAS CATO-C4X-274979)
- 1-{1-[(3,4-dichlorophenyl)methyl]-2-oxo-1,2-dihydropyridin-3-yl}-3,3-dimethylurea (CAS 338755-41-2)
- 2-Chloro-3,5-dimethylbenzoic acid (CAS 90649-75-5)
- 4-(5-Formylfuran-2-yl)-n-(pyrimidin-2-yl)benzenesulfonamide (CAS 568566-39-2)
- Ethyl 5-(4-(ethylthio)phenyl)-5-oxopentanoate (CAS 951889-02-4)
- (S)-2-Amino-2-(3-bromo-4-chlorophenyl)ethan-1-ol hydrochloride (CAS 2241594-18-1)
- Peptide Impurity 41 (CAS CATO-CPTD788841)
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