(5E)-5-[(3,4-Dichlorophenyl)methylidene]-2-oxo-4-phenyl-2,5-dihydrofuran-3-carbonitrile CAS 338976-85-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 338976-85-5 |
| Molecular Formula | C18H9Cl2NO2 |
| Molecular Weight | 342.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order (5E)-5-[(3,4-Dichlorophenyl)methylidene]-2-oxo-4-phenyl-2,5-dihydrofuran-3-carbonitrile (CAS 338976-85-5) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C18H9Cl2NO2. Molecular weight: 342.18 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C18H9Cl2NO2 |
| Molecular Weight | 342.18 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related E Standards
- (Z)-1-(3,4-dichlorophenyl)-2-(hydroxyimino)-2-(2-(methylthio)pyrimidin-4-yl)ethan-1-one (CAS 939761-42-9)
- N-(3,4-dichlorophenyl)-2-oxo-2-(2-(thiophen-2-ylmethylene)hydrazinyl)acetamide (CAS 350795-20-9)
- 3-(2,6-Dichlorophenyl)-N-[2-(dimethylamino)ethyl]-5-methyl-1,2-oxazole-4-carboxamide (CAS 1020251-89-1)
- 2-[(E)-(3,4-Dichlorophenyl)methylidene]-2,3,4,9-tetrahydro-1H-carbazol-1-one (CAS 866149-08-8)
- 6-(3,4-Dichlorophenyl)-5,6-dihydrobenzo[h]quinazolin-2-amine (CAS 865658-58-8)
- 2-((3,4-Dichlorophenyl)thio)-N-(4-methoxyphenyl)acetamide (CAS 339097-34-6)
- 3-(2,6-Dichlorophenyl)-N-((dimethylamino)methylene)-5-methylisoxazole-4-carbothioamide (CAS 866048-94-4)
- N-(2,3-dichlorophenyl)-2-((4,6-dimethylpyrimidin-2-yl)thio)acetamide (CAS 303091-21-6)
Recommended Standards
- Bromoacetamido-PEG3-C2-acid (CAS 1807534-79-7)
- 1-(4-Iodobenzyl)-4-propoxy-1H-pyrazole (CAS 2004573-97-9)
- N-cyclohexyl-3-iodoimidazo[1,2-b]pyridazin-6-amine (CAS 1803587-75-8)
- Dibenzylacetone (CAS 3506-88-5)
- MEthyl 5-ethoxy-3h-benzo[e]indole-2-carboxylate (CAS 887360-74-9)
- 2-Amino-3-(2-methoxyphenyl)-2-methylpropan-1-ol (CAS 1184608-24-9)
- 6-Amino-1-(3-fluorophenyl)pyrimidine-2,4(1H,3H)-dione (CAS 18464-28-3)
- 1-Propylpyrazole (CAS 32500-67-7)
- 3-(4-Fluorophenyl)-6-(trifluoromethyl)pyridin-2-ol (CAS 1214337-35-5)
- Semaglutide impurity 89 (CAS CATO-C4X-222689)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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