(E)-1-(benzo[d][1,3]dioxol-5-yl)-5-(2,6-dichlorophenyl)pent-1-en-3-one CAS 477859-70-4
| CAS No. | 477859-70-4 |
| Molecular Formula | C18H14Cl2O3 |
| Molecular Weight | 349.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 349.21 g/mol gives (E)-1-(benzo[d][1,3]dioxol-5-yl)-5-(2,6-dichlorophenyl)pent-1-en-3-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(E)-1-(benzo[d][1,3]dioxol-5-yl)-5-(2,6-dichlorophenyl)pent-1-en-3-one (CAS 477859-70-4), molecular formula C18H14Cl2O3 and molecular weight 349.21 g/mol, is a CATO reference standard with documented purity and traceability.
(E)-1-(benzo[d][1,3]dioxol-5-yl)-5-(2,6-dichlorophenyl)pent-1-en-3-one (C18H14Cl2O3) contains a steroid core, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point, its high carbon-to-hydrogen ratio confers good lipid solubility, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), (E)-1-(benzo[d][1,3]dioxol-5-yl)-5-(2,6-dichlorophenyl)pent-1-en-3-one 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 | C18H14Cl2O3 |
| Molecular Weight | 349.21 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, keep sealed and dry |
| 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.) | 2025 |
| Halogen Content | Cl-containing |
Related E Standards
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Recommended Standards
- (4-(N-Ethyl-N-(4-methoxybenzyl)sulfamoyl)phenyl)boronic acid (CAS 913835-55-9)
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- (2E,3E)-2-[2-(3,5-Dichlorophenyl)hydrazin-1-ylidene]-3-hydrazinylidene-1-(4-methylphenyl)propan-1-one (CAS 338400-42-3)
- 1-(2,4-Dichloro-5-isopropoxyphenyl)-5-phenyl-1H-tetrazole (CAS 338961-43-6)
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- 5-Methyl-1-phenylisoquinolin-3(2H)-one (CAS 82255-68-3)
- 3-(Bromomethyl)-5-(difluoromethyl)-6-methylpyridin-2-amine (CAS 1804686-54-1)
- 4-Methoxy-N-propylbenzamide (CAS 7464-43-9)
- 2-(2-(2,6-Dichlorobenzylidene)hydrazinyl)-4,5-dihydro-1H-imidazole (CAS 28717-34-2)
- (S)-1-(3-chloro-5-methylphenyl)-2,2,2-trifluoroethan-1-amine (CAS 1213059-56-3)
- Insulin Pork(≥27 USP units/mg) (CAS 12584-58-6)
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