Ethyl 2-(4-acetoxyphenyl)-2-oxoacetate CAS 100519-34-4
| CAS No. | 100519-34-4 |
| Molecular Formula | C12H12O5 |
| Molecular Weight | 236.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 236.22 g/mol gives Ethyl 2-(4-acetoxyphenyl)-2-oxoacetate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl 2-(4-acetoxyphenyl)-2-oxoacetate (CAS 100519-34-4) is a high-purity analytical reference standard with the molecular formula C12H12O5 and a molecular weight of 236.22 g/mol.
Ethyl 2-(4-acetoxyphenyl)-2-oxoacetate (C12H12O5) contains a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
CATO manufactures Ethyl 2-(4-acetoxyphenyl)-2-oxoacetate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H12O5 |
| Molecular Weight | 236.22 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
Related Ethyl Standards
- 4-(4-Acetoxyphenyl)-2-aminothiazole (CAS 471911-16-7)
- 4-(2-Acetoxyphenyl)-2-chloro-1-butene (CAS 890097-72-0)
- 4-(3-Acetoxyphenyl)-2-chloro-1-butene (CAS 890097-80-0)
- 2-(4-Acetoxyphenyl)pyrimidine-5-carboxylic acid (CAS 142603-91-6)
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- Ethyl 4-(2-acetoxyphenyl)-4-oxobutyrate (CAS 898758-71-9)
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