(2E)-1-(2,4-Dichlorophenyl)-3-(2-ethoxyphenyl)prop-2-en-1-one CAS 1354941-12-0
| CAS No. | 1354941-12-0 |
| Molecular Formula | C17H14Cl2O2 |
| Molecular Weight | 321.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2E)-1-(2,4-Dichlorophenyl)-3-(2-ethoxyphenyl)prop-2-en-1-one (CAS 1354941-12-0), molecular formula C17H14Cl2O2 and molecular weight 321.20 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C17H14Cl2O2, (2E)-1-(2,4-Dichlorophenyl)-3-(2-ethoxyphenyl)prop-2-en-1-one contains a steroid core, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 321.20 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C17H14Cl2O2 |
| Molecular Weight | 321.20 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
Related E Standards
- 1-(3,4-Dichlorophenyl)-2-(2,3-dihydro-1h-inden-5-yloxy)ethan-1-one (CAS 1154284-20-4)
- (2E)-1-(2,5-Dichlorophenyl)-3-(4-ethoxyphenyl)prop-2-en-1-one (CAS 1354941-38-0)
- (2E)-1-(3,4-Dichlorophenyl)-3-(2-ethoxyphenyl)prop-2-en-1-one (CAS 1354941-80-2)
- (2E)-1-(2,5-Dichlorophenyl)-3-(2-ethoxyphenyl)prop-2-en-1-one (CAS 1354942-18-9)
- (2E)-1-(2,4-Dichlorophenyl)-3-(4-ethoxyphenyl)prop-2-en-1-one (CAS 1486549-12-5)
- (2E)-3-(2,4-Dichlorophenyl)-1-(4-ethoxyphenyl)prop-2-en-1-one (CAS 1582302-82-6)
- (2E)-1-(3,4-Dichlorophenyl)-3-(4-ethoxyphenyl)prop-2-en-1-one (CAS 428853-81-0)
- N-(3,4-dichlorophenyl)-2-(indolin-1-yl)acetamide (CAS 298215-76-6)
Recommended Standards
- (E)-1-(4-chlorobenzyl)-3-(4-chlorostyryl)urea (CAS 1164539-94-9)
- N-(2,4-Dichlorobenzyl)-N-styrylurea (CAS 1164454-83-4)
- 1-Methanesulfonyl-1H-indole-boronic acid pinacol ester (CAS 1042917-73-6)
- Ledipasvir Impurity 44 (CAS CATO-C4X-331344)
- (2,6-Dichloro-3-methylpyridin-4-yl)methanol (CAS 2386361-84-6)
- Dimethyl 5-hydroxy-2,6-dimethylpyridine-3,4-dicarboxylate, 98% (CAS 19804-11-6)
- 2-Chloro-6-(trifluoromethyl)pyrido[3,2-d]pyrimidin-4-amine (CAS 2092771-33-8)
- 2-{[2-(Dimethylamino)ethyl]amino}pyridine-3-carboxylic acid (CAS 115891-14-0)
- (6-Amino-5-(trifluoromethyl)pyridin-3-yl)boronic acid (CAS 1189126-37-1)
- Revaprazan HCl (CAS 178307-42-1)
- Allyl 6-(1H-1,2,4-triazol-1-yl)nicotinate (CAS 400080-45-7)
- 3-[(4-Chlorobenzenesulfonyl)methyl]-4-nitrobenzohydrazide (CAS 339016-39-6)
- cis-N,N-Dibenzyl-1,2-cyclopentanedicarboxamide (CAS 1797131-60-2)
- Insulin Detemir (CAS 169148-63-4)
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