4-(3-Chlorophenyl)-5-(methylsulfonyl)-1,2,3-thiadiazole CAS 1713655-95-8
| CAS No. | 1713655-95-8 |
| Molecular Formula | C9H7ClN2O2S2 |
| Molecular Weight | 274.75 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
4-(3-Chlorophenyl)-5-(methylsulfonyl)-1,2,3-thiadiazole (CAS 1713655-95-8) is a high-purity analytical reference standard with the molecular formula C9H7ClN2O2S2 and a molecular weight of 274.75 g/mol.
Based on its molecular formula C9H7ClN2O2S2, 4-(3-Chlorophenyl)-5-(methylsulfonyl)-1,2,3-thiadiazole contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 274.75 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
As a certified reference material (CRM), 4-(3-Chlorophenyl)-5-(methylsulfonyl)-1,2,3-thiadiazole 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 | C9H7ClN2O2S2 |
| Molecular Weight | 274.75 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Related Chlorophenyl Standards
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