(4Z)-4-[(2,4-Dichlorophenyl)methylidene]-2-phenyl-4,5-dihydro-1,3-oxazol-5-one CAS 57427-81-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 57427-81-3 |
| Molecular Formula | C16H9Cl2NO2 |
| Molecular Weight | 318.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(4Z)-4-[(2,4-Dichlorophenyl)methylidene]-2-phenyl-4,5-dihydro-1,3-oxazol-5-one (CAS 57427-81-3) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H9Cl2NO2. Molecular weight: 318.15 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H9Cl2NO2 |
| Molecular Weight | 318.15 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1973 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
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Recommended Standards
- 5,7-Dichloroquinolin-8-yl benzoate (CAS 18193-10-7)
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- 1-(Pyridin-4-yl)-1H-benzo[d][1,2,3]triazole (CAS 66571-30-0)
- 2-Bromo-5-fluorobenzyl acetate (CAS 1839665-96-1)
- 1-(1-Benzothiophene-2-carbonyl)-4-[5-(naphthalen-1-yl)-1H-pyrazol-3-yl]piperidine (CAS 1026079-83-3)
- N-cyclopropyl-3-fluoroisonicotinamide (CAS 1490840-10-2)
- N-(2-(1H-Indol-1-yl)ethyl)acetamide (CAS 56903-24-3)
- Human glucagon CRS (CAS 9007-92-5)
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