| CAS No. | 957038-44-7 |
| Molecular Formula | C22H15ClF3N3O4S2 |
| Molecular Weight | 541.95 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 541.95 g/mol gives Ethyl 1-(5-((4-chlorophenyl)sulfonyl)-4-phenylthiazol-2-yl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies Ethyl 1-(5-((4-chlorophenyl)sulfonyl)-4-phenylthiazol-2-yl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylate (CAS 957038-44-7), a certified reference material (molecular formula C22H15ClF3N3O4S2, MW 541.95 g/mol) for analytical method development and quality control.
Based on its molecular formula C22H15ClF3N3O4S2, Ethyl 1-(5-((4-chlorophenyl)sulfonyl)-4-phenylthiazol-2-yl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylate contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 541.95 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.
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), Ethyl 1-(5-((4-chlorophenyl)sulfonyl)-4-phenylthiazol-2-yl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylate 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 | C22H15ClF3N3O4S2 |
| Molecular Weight | 541.95 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |