5-((4-Chlorophenyl)sulfinyl)-N-(3,4-dichlorophenyl)-1,2,3-thiadiazole-4-carboxamide CAS 306976-91-0
| CAS No. | 306976-91-0 |
| Molecular Formula | C15H8Cl3N3O2S2 |
| Molecular Weight | 432.73 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
5-((4-Chlorophenyl)sulfinyl)-N-(3,4-dichlorophenyl)-1,2,3-thiadiazole-4-carboxamide (CAS 306976-91-0) is a high-purity analytical reference standard with the molecular formula C15H8Cl3N3O2S2 and a molecular weight of 432.73 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution, 5-((4-Chlorophenyl)sulfinyl)-N-(3,4-dichlorophenyl)-1,2,3-thiadiazole-4-carboxamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 432.73 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
Physical & Chemical Properties
| Molecular Formula | C15H8Cl3N3O2S2 |
| Molecular Weight | 432.73 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
Related Chlorophenyl Standards
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Recommended Standards
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