5-[(E)-2-[(4-Chlorophenyl)amino]ethenyl]-3-phenyl-1,2-oxazole-4-carbonitrile CAS 303995-71-3
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303995-71-3 |
| Molecular Formula | C18H12ClN3O |
| Molecular Weight | 321.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 5-[(E)-2-[(4-Chlorophenyl)amino]ethenyl]-3-phenyl-1,2-oxazole-4-carbonitrile (CAS 303995-71-3) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C18H12ClN3O. Molecular weight: 321.76 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C18H12ClN3O |
| Molecular Weight | 321.76 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 | 3 |
Related E Standards
- Ethyl 2-[1-(3-chlorophenyl)-3,5-dimethyl-1h-pyrazol-4-yl]-2-(n-hydroxyimino)acetate (CAS 1006482-03-6)
- 1-(2-Chlorophenyl)-3-(4-(dimethylamino)-2-methoxypyrimidin-5-yl)urea (CAS 1797659-87-0)
- N-(3-Chlorophenyl)-3-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-amine (CAS 196504-86-6)
- 1-{7-[(E)-2-(4-chlorophenyl)ethenyl]-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl}-1H-pyrrole (CAS 303146-14-7)
- 3-(2-Chlorophenyl)-5-[(E)-2-(phenylamino)ethenyl]-1,2-oxazole-4-carbonitrile (CAS 320424-89-3)
- 4-(1-(3-Chlorophenyl)-2,5-dioxopyrrolidin-3-yl)piperazine-1-carbaldehyde (CAS 311783-16-1)
- 4-(1-(4-Chlorophenyl)-2,5-dioxopyrrolidin-3-yl)piperazine-1-carbaldehyde (CAS 311793-29-0)
- 4-(4-Chlorophenyl)-6-(methylamino)-2-(pyridin-3-yl)pyrimidine-5-carbonitrile (CAS 320417-54-7)
Recommended Standards
- 5-(4-Chlorophenyl)-2-((4-hydroxyisoxazolidin-2-yl)methylene)cyclohexane-1,3-dione (CAS 338422-55-2)
- 5-Acetyl-3-(4-chlorophenyl)-1-phenyl-1H-pyrazole-4-carbonitrile (CAS 649746-08-7)
- 4-Chloro-6-(4-methoxyphenyl)-2-phenylpyrimidine-5-carbonitrile (CAS 320418-90-4)
- 2-(2-Nitrophenyl)acetaldehyde (CAS 1969-73-9)
- 4-(Trimethoxysilyl)butanenitrile (CAS 55453-24-2)
- 2-Methylphenyl 2-acetamido-2-deoxy-β-D-glucopyranoside (CAS 263746-45-8)
- 2,2-Difluoro-2-(4-fluorophenoxy)-N-[3-(trifluoromethyl)phenyl]acetamide (CAS 338792-39-5)
- 1,1-Dimethyl-3-phenylthiourea (CAS 705-62-4)
- Methyl bis(bromomethyl)phosphinate (CAS 885951-92-8)
- Semaglutide impurity 200 (CAS CATO-C4X-2226200)
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