Ethyl 2-(ethoxymethylene)-4,4,4-trifluoroacetoacetate ethyl 2-ethoxymethylene-4,4,4-trifluoro-3-oxobutyrate ethyl2-(ethoxymethylene)-4,4,4-trifluoro-3-oxobutyrate Ethyl 2-(ethoxymethylene)-4,4,4-trifluoro-3-oxobutyrate Ethyl 3-ethoxy-2-(2,2,2-trifluoroacetyl)acrylate Ethyl ethoxymethylene-3-oxo-4,4,4-trifluorobutyrate 571-55-1 CAS 571-55-1
| CAS No. | 571-55-1 |
| Molecular Formula | C9H11F3O4 |
| Molecular Weight | 240.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Ethyl 2-(ethoxymethylene)-4,4,4-trifluoroacetoacetate ethyl 2-ethoxymethylene-4,4,4-trifluoro-3-oxobutyrate ethyl2-(ethoxymethylene)-4,4,4-trifluoro-3-oxobutyrate Ethyl 2-(ethoxymethylene)-4,4,4-trifluoro-3-oxobutyrate Ethyl 3-ethoxy-2-(2,2,2-trifluoroacetyl)acrylate Ethyl ethoxymethylene-3-oxo-4,4,4-trifluorobutyrate 571-55-1.
CATO supplies Ethyl 2-(ethoxymethylene)-4,4,4-trifluoroacetoacetate ethyl 2-ethoxymethylene-4,4,4-trifluoro-3-oxobutyrate ethyl2-(ethoxymethylene)-4,4,4-trifluoro-3-oxobutyrate Ethyl 2-(ethoxymethylene)-4,4,4-trifluoro-3-oxobutyrate Ethyl 3-ethoxy-2-(2,2,2-trifluoroacetyl)acrylate Ethyl ethoxymethylene-3-oxo-4,4,4-trifluorobutyrate 571-55-1 (CAS 571-55-1), a certified reference material (molecular formula C9H11F3O4, MW 240.18 g/mol) for analytical method development and quality control.
Based on its molecular formula C9H11F3O4, Ethyl 2-(ethoxymethylene)-4,4,4-trifluoroacetoacetate ethyl 2-ethoxymethylene-4,4,4-trifluoro-3-oxobutyrate ethyl2-(ethoxymethylene)-4,4,4-trifluoro-3-oxobutyrate Ethyl 2-(ethoxymethylene)-4,4,4-trifluoro-3-oxobutyrate Ethyl 3-ethoxy-2-(2,2,2-trifluoroacetyl)acrylate Ethyl ethoxymethylene-3-oxo-4,4,4-trifluorobutyrate 571-55-1 contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 240.18 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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-(ethoxymethylene)-4,4,4-trifluoroacetoacetate ethyl 2-ethoxymethylene-4,4,4-trifluoro-3-oxobutyrate ethyl2-(ethoxymethylene)-4,4,4-trifluoro-3-oxobutyrate Ethyl 2-(ethoxymethylene)-4,4,4-trifluoro-3-oxobutyrate Ethyl 3-ethoxy-2-(2,2,2-trifluoroacetyl)acrylate Ethyl ethoxymethylene-3-oxo-4,4,4-trifluorobutyrate 571-55-1 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 | C9H11F3O4 |
| Molecular Weight | 240.18 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
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Recommended Standards
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- (2S,3S)-3-((tert-butoxycarbonyl)amino)oxetane-2-carboxylic acid (CAS 2012574-78-4)
- Semaglutide impurity 194 (CAS CATO-C4X-2226194)
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