| CAS No. | 337489-25-5 |
| Molecular Formula | C20H18N4O2S2 |
| Molecular Weight | 410.51 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 410.51 g/mol gives N-(3-cyano-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)-2-((5-(p-tolyl)-1,3,4-oxadiazol-2-yl)thio)acetamide distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
N-(3-cyano-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)-2-((5-(p-tolyl)-1,3,4-oxadiazol-2-yl)thio)acetamide (CAS 337489-25-5), molecular formula C20H18N4O2S2 and molecular weight 410.51 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C20H18N4O2S2, N-(3-cyano-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)-2-((5-(p-tolyl)-1,3,4-oxadiazol-2-yl)thio)acetamide contains a steroid core, 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 410.51 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).
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), N-(3-cyano-4,5,6,7-tetrahydrobenzo[b]thiophen-2-yl)-2-((5-(p-tolyl)-1,3,4-oxadiazol-2-yl)thio)acetamide 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.
| Molecular Formula | C20H18N4O2S2 |
| Molecular Weight | 410.51 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 2 |