| CAS No. | 604740-36-5 |
| Molecular Formula | C9H8N4O2S |
| Molecular Weight | 236.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
The molecular framework of 1-((5-(Pyrazin-2-yl)-1,3,4-oxadiazol-2-yl)thio)propan-2-one (C9H8N4O2S) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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).
1-((5-(Pyrazin-2-yl)-1,3,4-oxadiazol-2-yl)thio)propan-2-one (CAS 604740-36-5) is a high-purity analytical reference standard with the molecular formula C9H8N4O2S and a molecular weight of 236.25 g/mol.
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), 1-((5-(Pyrazin-2-yl)-1,3,4-oxadiazol-2-yl)thio)propan-2-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.
| Molecular Formula | C9H8N4O2S |
| Molecular Weight | 236.25 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |