(3E)-3-[(2,4-Dichlorophenyl)methylidene]-3,4-dihydro-2H-1-benzopyran-4-one CAS 1705584-19-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1705584-19-5 |
| Molecular Formula | C16H10Cl2O2 |
| Molecular Weight | 305.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(3E)-3-[(2,4-Dichlorophenyl)methylidene]-3,4-dihydro-2H-1-benzopyran-4-one (CAS 1705584-19-5) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C16H10Cl2O2. Molecular weight: 305.16 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C16H10Cl2O2 |
| Molecular Weight | 305.16 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Cl-containing |
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Recommended Standards
- 1-(5-Bromo-2,3-difluorophenyl)-4-ethylpiperazine (CAS 1704067-20-8)
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- 2-Bromo-5-((3,3-difluorocyclobutyl)methoxy)-1,3-dimethylbenzene (CAS 1544740-15-9)
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- (1-(5-(tert-Butyl)isoxazol-3-yl)cyclobutyl)methanol (CAS 1352529-75-9)
- Fesoterodine Impurity 1 (CAS 250214-44-9)
- Semaglutide impurity 26 (CAS CATO-C4X-222626)
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