(2E)-1-(2-Chlorophenyl)-3-(2,5-dimethoxyphenyl)prop-2-en-1-one CAS 219298-69-8
| CAS No. | 219298-69-8 |
| Molecular Formula | C17H15ClO3 |
| Molecular Weight | 302.75 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.
CATO supplies (2E)-1-(2-Chlorophenyl)-3-(2,5-dimethoxyphenyl)prop-2-en-1-one (CAS 219298-69-8), a certified reference material (molecular formula C17H15ClO3, MW 302.75 g/mol) for analytical method development and quality control.
Based on its molecular formula C17H15ClO3, (2E)-1-(2-Chlorophenyl)-3-(2,5-dimethoxyphenyl)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 302.75 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), (2E)-1-(2-Chlorophenyl)-3-(2,5-dimethoxyphenyl)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 | C17H15ClO3 |
| Molecular Weight | 302.75 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2019 |
| Halogen Content | Cl-containing |
Related E Standards
- (2E)-3-(2-Chlorophenyl)-1-(2,4-dimethoxyphenyl)prop-2-en-1-one (CAS 1064057-84-6)
- (Z)-3-(4-chlorophenyl)-3-(4-ethoxyphenyl)acrylic acid (CAS 1226485-83-1)
- (2E)-3-(4-Chlorophenyl)-1-(2,5-dimethoxyphenyl)prop-2-en-1-one (CAS 1345675-59-3)
- (2E)-1-(2-Chlorophenyl)-3-(3,4-dimethoxyphenyl)prop-2-en-1-one (CAS 1352347-01-3)
- (2E)-1-(2-Chlorophenyl)-3-(2,3-dimethoxyphenyl)prop-2-en-1-one (CAS 1354941-45-9)
- (2E)-1-(3-Chlorophenyl)-3-(2,5-dimethoxyphenyl)prop-2-en-1-one (CAS 1354941-49-3)
- Methyl 2-(4-chlorophenyl)-4-oxo-4-phenylbutanoate (CAS 1383253-45-9)
- (2E)-3-(3-Chlorophenyl)-1-(2,4-dimethoxyphenyl)prop-2-en-1-one (CAS 1482338-71-5)
Recommended Standards
- (2E)-1-(2-Chlorophenyl)-3-(2,4-dimethoxyphenyl)prop-2-en-1-one (CAS 205176-71-2)
- (2E)-1-(3-Chlorophenyl)-3-(2,4-dimethoxyphenyl)prop-2-en-1-one (CAS 850183-38-9)
- (E)-3-Chloro-2,3-bis(4-methoxyphenyl)acrylaldehyde (CAS 181308-92-9)
- (2E)-1-(3-Chlorophenyl)-3-(3,4-dimethoxyphenyl)prop-2-en-1-one (CAS 344406-59-3)
- 3H-spiro[furo[2,3-b]pyridine-2,4'-piperidin]-3-amine (CAS 2488456-48-8)
- (2R,4R)-1-(tert-butoxycarbonyl)-4-(methylamino)pyrrolidine-2-carboxylic acid (CAS 1932134-05-8)
- 2-(1-(Tetrahydrofuran-3-yl)-1H-pyrazol-4-yl)ethan-1-amine (CAS 1339185-19-1)
- 7-(2,3-Dihydroxypropyl)-8-(hexylamino)-3-methyl-3,7-dihydro-1H-purine-2,6-dione (CAS 505080-75-1)
- 3-Bromo-1-(3,5-dimethoxyphenyl)pyrrolidin-2-one (CAS 1274829-32-1)
- 1-Bromo-1,1-difluoropropan-2-one (CAS 421-37-4)
- Estradiol Valerate EP Impurity F (CAS 18069-79-9)
- 4-(4-fluorophenyl)-2-methylbutanoic acid (CAS 1226160-80-0)
- 2-Amino-1-(3-(trifluoromethyl)phenyl)ethan-1-one (CAS 64748-87-4)
- D-Trp25-Tirzepatide (CAS CATO-CPTD788909)
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