5-ethyl-6-methyl-3-[(oxolan-2-yl)methyl]-2-sulfanyl-3H,4H-thieno[2,3-d]pyrimidin-4-one CAS 588676-66-8
| CAS No. | 588676-66-8 |
| Molecular Formula | C14H24N2O2S2 |
| Molecular Weight | 316.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C14H24N2O2S2, 5-ethyl-6-methyl-3-[(oxolan-2-yl)methyl]-2-sulfanyl-3H,4H-thieno[2,3-d]pyrimidin-4-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 316.48 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
5-ethyl-6-methyl-3-[(oxolan-2-yl)methyl]-2-sulfanyl-3H,4H-thieno[2,3-d]pyrimidin-4-one (CAS 588676-66-8), molecular formula C14H24N2O2S2 and molecular weight 316.48 g/mol, is a CATO reference standard with documented purity and traceability.
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.
As a certified reference material (CRM), 5-ethyl-6-methyl-3-[(oxolan-2-yl)methyl]-2-sulfanyl-3H,4H-thieno[2,3-d]pyrimidin-4-one 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 | C14H24N2O2S2 |
| Molecular Weight | 316.48 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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