| CAS No. | 1710193-68-2 |
| Molecular Formula | C14H11ClN2O2S2 |
| Molecular Weight | 338.83 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
4-(4-Chlorophenyl)-5-(ethylsulfonyl)-2-thioxo-1,2-dihydropyridine-3-carbonitrile (CAS 1710193-68-2), molecular formula C14H11ClN2O2S2 and molecular weight 338.83 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-(4-Chlorophenyl)-5-(ethylsulfonyl)-2-thioxo-1,2-dihydropyridine-3-carbonitrile (C14H11ClN2O2S2) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 338.83 g/mol, it falls into the moderately-high-molecular-weight range. 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).
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), 4-(4-Chlorophenyl)-5-(ethylsulfonyl)-2-thioxo-1,2-dihydropyridine-3-carbonitrile 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 | C14H11ClN2O2S2 |
| Molecular Weight | 338.83 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |