Ethyl (2-chlorobenzoyl)acetate CAS 19112-35-7
| CAS No. | 19112-35-7 |
| Molecular Formula | C11H11ClO3 |
| Molecular Weight | 226.66 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.
Ethyl (2-chlorobenzoyl)acetate (CAS 19112-35-7) is a high-purity analytical reference standard with the molecular formula C11H11ClO3 and a molecular weight of 226.66 g/mol.
Based on its molecular formula C11H11ClO3, Ethyl (2-chlorobenzoyl)acetate 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 226.66 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).
As a certified reference material (CRM), Ethyl (2-chlorobenzoyl)acetate 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 | C11H11ClO3 |
| Molecular Weight | 226.66 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| 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 methanol, ethanol, 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.) | 1962 |
| Halogen Content | Cl-containing |
Related Ethyl Standards
- Ethyl (3-Chlorobenzoyl)acetate (CAS 33167-21-4)
- N-(4-chlorobenzoyl)-N-methylglycine (CAS 35876-36-9)
- 4-(3-Chlorobenzoyl)morpholine (CAS 26162-86-7)
- 1-(2-Chlorobenzoyl)piperazine (CAS 13754-45-5)
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- 4-(4-Chlorobenzoyl)oxane (CAS 1344053-12-8)
- 1-(2-Chlorobenzoyl)pyrazolidin-3-one (CAS 477850-56-9)
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