| CAS No. | 2118313-76-9 |
| Molecular Formula | C11H15O4PS |
| Molecular Weight | 274.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 274.27 g/mol gives (E)-Diethyl (3-oxo-3-(thiophen-2-yl)prop-1-en-1-yl)phosphonate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
(E)-Diethyl (3-oxo-3-(thiophen-2-yl)prop-1-en-1-yl)phosphonate (CAS 2118313-76-9), molecular formula C11H15O4PS and molecular weight 274.27 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a sulfone group, a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system, (E)-Diethyl (3-oxo-3-(thiophen-2-yl)prop-1-en-1-yl)phosphonate is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 274.27 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures (E)-Diethyl (3-oxo-3-(thiophen-2-yl)prop-1-en-1-yl)phosphonate 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.
| Molecular Formula | C11H15O4PS |
| Molecular Weight | 274.27 g/mol |
| 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) | 4.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1997 |
| Sulfur Atoms | 1 |