2,4-Diethyl 3-methyl-5-(methylsulfanyl)thiophene-2,4-dicarboxylate CAS 555154-33-1
| CAS No. | 555154-33-1 |
| Molecular Formula | C12H16O4S2 |
| Molecular Weight | 288.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C12H16O4S2, 2,4-Diethyl 3-methyl-5-(methylsulfanyl)thiophene-2,4-dicarboxylate contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 288.38 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The high carbon-to-hydrogen ratio imparts good lipophilicity, allowing liquid-liquid extraction with non-polar solvents such as n-hexane or ethyl acetate.
2,4-Diethyl 3-methyl-5-(methylsulfanyl)thiophene-2,4-dicarboxylate (CAS 555154-33-1) is a high-purity analytical reference standard with the molecular formula C12H16O4S2 and a molecular weight of 288.38 g/mol.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 2,4-Diethyl 3-methyl-5-(methylsulfanyl)thiophene-2,4-dicarboxylate 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 | C12H16O4S2 |
| Molecular Weight | 288.38 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Sulfur Atoms | 2 |
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