(2E)-1-(3-Bromophenyl)-3-(4-ethylphenyl)prop-2-en-1-one CAS 940809-51-8
| CAS No. | 940809-51-8 |
| Molecular Formula | C17H15BrO |
| Molecular Weight | 315.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
(2E)-1-(3-Bromophenyl)-3-(4-ethylphenyl)prop-2-en-1-one (CAS 940809-51-8) is a high-purity analytical reference standard with the molecular formula C17H15BrO and a molecular weight of 315.20 g/mol.
Structurally, (2E)-1-(3-Bromophenyl)-3-(4-ethylphenyl)prop-2-en-1-one (C17H15BrO) contains a steroid core, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 315.20 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
As a certified reference material (CRM), (2E)-1-(3-Bromophenyl)-3-(4-ethylphenyl)prop-2-en-1-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 | C17H15BrO |
| Molecular Weight | 315.20 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 chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Br-containing |
Related E Standards
- (2E)-1-(4-Bromophenyl)-3-(4-ethylphenyl)prop-2-en-1-one (CAS 130768-84-2)
- (2E)-3-(4-Bromophenyl)-1-(4-ethylphenyl)prop-2-en-1-one (CAS 1321766-61-3)
- (2E)-3-(3-Bromophenyl)-1-(2,4-dimethylphenyl)prop-2-en-1-one (CAS 1354941-13-1)
- (2E)-3-(4-Bromophenyl)-1-(2,4-dimethylphenyl)prop-2-en-1-one (CAS 1354941-54-0)
- 5-((4-Bromophenyl)amino)-3-ethylthiazolidine-2,4-dione (CAS 1025750-38-2)
- 3-(4-Bromophenyl)-4-(ethylsulfonyl)-1H-pyrazole (CAS 1707573-08-7)
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