5-(4-Chlorophenyl)-1-[(4-fluorophenyl)methyl]-2-oxo-1,2-dihydropyridine-3-carbonitrile CAS 338954-77-1
| CAS No. | 338954-77-1 |
| Molecular Formula | C19H12ClFN2O |
| Molecular Weight | 338.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, 5-(4-Chlorophenyl)-1-[(4-fluorophenyl)methyl]-2-oxo-1,2-dihydropyridine-3-carbonitrile is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 338.76 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
5-(4-Chlorophenyl)-1-[(4-fluorophenyl)methyl]-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 338954-77-1) is a high-purity analytical reference standard with the molecular formula C19H12ClFN2O and a molecular weight of 338.76 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.
As a certified reference material (CRM), 5-(4-Chlorophenyl)-1-[(4-fluorophenyl)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.
Physical & Chemical Properties
| Molecular Formula | C19H12ClFN2O |
| Molecular Weight | 338.76 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 |
| 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 | F/Cl-containing |
| Nitrogen Atoms | 2 |
Related Chlorophenyl Standards
- 5-(3-Chlorophenyl)-1-[(4-fluorophenyl)methyl]-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 338955-47-8)
- 5-(4-Chlorophenyl)-1-(3-fluorobenzyl)-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 338423-58-8)
- 5-(4-Chlorophenyl)-1-[(2-fluorophenyl)methyl]-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 338423-53-3)
- 6-(4-Chlorophenyl)-1-[(3-fluorophenyl)methyl]-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 339109-82-9)
- 6-(4-Chlorophenyl)-1-[(4-fluorophenyl)methyl]-2-oxo-1,2-dihydropyridine-3-carbonitrile (CAS 339109-79-4)
- 1-(3-Chlorophenyl)-4-(3-phenyl-1,2,4-oxadiazol-5-yl)-1H-1,2,3-triazol-5-amine (CAS 892759-86-3)
- 2-(4-Chlorophenyl)-5-((quinazolin-4-yloxy)methyl)-1,3,4-oxadiazole (CAS 793722-88-0)
- 6-(4-Chlorophenyl)-3-(4-fluorophenyl)pyrazolo[1,5-a]pyrimidin-7-amine (CAS 439107-85-4)
Recommended Standards
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