Ethyl 4-(2,6-dichlorophenyl)-3-oxobutanoate CAS 221121-45-5
| CAS No. | 221121-45-5 |
| Molecular Formula | C12H12Cl2O3 |
| Molecular Weight | 275.13 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 275.13 g/mol gives Ethyl 4-(2,6-dichlorophenyl)-3-oxobutanoate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl 4-(2,6-dichlorophenyl)-3-oxobutanoate (CAS 221121-45-5) is a high-purity analytical reference standard with the molecular formula C12H12Cl2O3 and a molecular weight of 275.13 g/mol.
Based on its molecular formula C12H12Cl2O3, Ethyl 4-(2,6-dichlorophenyl)-3-oxobutanoate contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 275.13 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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 | C12H12Cl2O3 |
| Molecular Weight | 275.13 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2020 |
| Halogen Content | Cl-containing |
Related Ethyl Standards
- Ethyl 4-(3,4-dichlorophenyl)-3-oxobutanoate (CAS 1048916-53-5)
- 4-(2,4-Dichlorophenyl)oxane-4-carboxylic acid (CAS 1152567-67-3)
- 2-(2,4-Dichlorophenyl)tetrahydro-2h-pyran-3-carboxylic acid (CAS 1379284-13-5)
- Methyl 5-(3,4-dichlorophenyl)-5-oxopentanoate (CAS 1443311-62-3)
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- 2-(2,3-Dichlorophenyl)quinazoline (CAS 1451359-50-4)
- 2-(2,6-Dichlorophenyl)quinazoline (CAS 1453168-98-3)
- Ethyl 4-(2,4-dichlorophenyl)-3-oxobutanoate (CAS 194240-93-2)
Recommended Standards
- Ethyl 4-(2,5-dichlorophenyl)-4-oxobutanoate (CAS 898778-08-0)
- Ethyl 4-(3,4-dichlorophenyl)-4-oxobutyrate (CAS 75381-58-7)
- Ethyl 4-(2,4-dichlorophenyl)-4-oxobutanoate (CAS 898777-95-2)
- Ethyl 4-(3,5-dichlorophenyl)-4-oxobutyrate (CAS 898751-84-3)
- Ethyl 3-(((tert-butoxycarbonyl)(methyl)amino)methyl)benzoate (CAS 1823494-54-7)
- 6-(3-Chloropropoxy)-5-methoxy-1H-indole (CAS 151719-81-2)
- 20412-62-8 Ethyl acetoacetate, sodium salt (CAS 20412-62-8)
- 2-((1-Oxidotetrahydro-2H-thiopyran-4-yl)amino)acetonitrile (CAS 1597628-56-2)
- Sitafloxacin Impurity 2 HCl (CAS CATO-C4X-11552)
- 3,3',5-Trihydroxybiphenyl (CAS 20950-56-5)
- 1-((4-Bromophenoxy)methyl)-3,5-dimethyl-1H-pyrazol-4-amine (CAS 1006457-23-3)
- Ethyl 2-bromo-5-chloro-3-fluorobenzoate (CAS 1508363-46-9)
- Isoquinolin-2(1H)-yl(phenyl)methanone (CAS 50624-29-8)
- Semaglutide impurity 290 (CAS CATO-C4X-2226290)
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