(2E)-1-(2-Chlorophenyl)-3-(2,4-dimethoxyphenyl)prop-2-en-1-one CAS 205176-71-2
| CAS No. | 205176-71-2 |
| Molecular Formula | C17H15ClO3 |
| Molecular Weight | 302.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2E)-1-(2-Chlorophenyl)-3-(2,4-dimethoxyphenyl)prop-2-en-1-one (CAS 205176-71-2), molecular formula C17H15ClO3 and molecular weight 302.75 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (2E)-1-(2-Chlorophenyl)-3-(2,4-dimethoxyphenyl)prop-2-en-1-one (C17H15ClO3) contains a steroid core, a hydroxyl group, an ether linkage, chlorine 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 302.75 g/mol, it falls into the moderately-high-molecular-weight range. 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.
As a certified reference material (CRM), (2E)-1-(2-Chlorophenyl)-3-(2,4-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.) | 2015 |
| 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
- (E)-3-Chloro-2,3-bis(4-methoxyphenyl)acrylaldehyde (CAS 181308-92-9)
- (2E)-1-(2-Chlorophenyl)-3-(2,5-dimethoxyphenyl)prop-2-en-1-one (CAS 219298-69-8)
- (2E)-1-(3-Chlorophenyl)-3-(2,3-dimethoxyphenyl)prop-2-en-1-one (CAS 1801666-51-2)
- (2E)-1-(3-Chlorophenyl)-3-(2,4-dimethoxyphenyl)prop-2-en-1-one (CAS 850183-38-9)
- N-(6-(4-Amino-1-((8-methyl-1-oxo-2-(o-tolyl)-1,2-dihydroisoquinolin-3-yl)-methyl)-1H-pyrazolo[3,4-d]pyrimidin-3-yl)benzo[d]thiazol-2-yl)acetamide (CAS 1172118-03-4)
- N-(2,4-dichlorophenyl)-N-(methylsulfonyl)glycine (CAS 672951-66-5)
- 1,2-Dihydro-2,7-naphthyridin-3(4H)-one (CAS 1123169-61-8)
- 3-Methyl-1-(piperidin-1-yl)butan-2-amine (CAS 1020962-95-1)
- 287389-48-4 (1',2',3',4',5',6'-~13~C_6_)[1,1'-Biphenyl]-2-ol DTXSID20745800 (CAS 287389-48-4)
- Tyr-Aib-Glu-Gly-Thr-Phe-Thr-Ser-Asp-Tyr-Ser-Ile-Aib-Leu-Asp-Lys-Ile-Ala-Gln-Lys(AEEA-AEEA-γ-Glu-Eicosanedioicacid)-Ala-Phe-Val-Glu-Trp-Leu-Ile-Ala-Gly-Gly-Pro-Ser-Ser-Gly-Ala-Pro-Pro-Pro-Ser-NH2 (CAS CATO-C4X-324029)
- (E)-{2-[(4-chlorophenyl)sulfanyl]-1-{6-methyl-[1,2,4]triazolo[3,2-b][1,3]thiazol-5-yl}ethylidene}({[4-(trifluoromethyl)phenyl]methoxy})amine (CAS 866131-21-7)
- 4-(4-Fluorophenyl)-2-thioxo-1,2-dihydropyridine-3-carbonitrile (CAS 1708208-67-6)
- 2-((5-Chloro-7-iodoquinolin-8-yl)oxy)ethyl acetate (CAS 73511-39-4)
- Semaglutide impurity 211 (CAS CATO-C4X-2226211)
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