Diethyl 2-(ethoxymethylene)-3-oxosuccinate CAS 52942-64-0
| CAS No. | 52942-64-0 |
| Molecular Formula | C11H16O6 |
| Molecular Weight | 244.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 244.24 g/mol gives Diethyl 2-(ethoxymethylene)-3-oxosuccinate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Diethyl 2-(ethoxymethylene)-3-oxosuccinate (CAS 52942-64-0), molecular formula C11H16O6 and molecular weight 244.24 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Diethyl 2-(ethoxymethylene)-3-oxosuccinate (C11H16O6) is characterized by a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. In reversed-phase chromatography, its retention is governed primarily by the polarity and ionization state of its functional groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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 Diethyl 2-(ethoxymethylene)-3-oxosuccinate 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 | C11H16O6 |
| Molecular Weight | 244.24 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
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Why CATO?
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