5-(4-Chlorophenyl)-1-(2,6-dichloro-4-(trifluoromethyl)phenyl)-4-(phenylsulfonyl)-1H-pyrazole CAS 318951-63-2
| CAS No. | 318951-63-2 |
| Molecular Formula | C22H12Cl3F3N2O2S |
| Molecular Weight | 531.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, 5-(4-Chlorophenyl)-1-(2,6-dichloro-4-(trifluoromethyl)phenyl)-4-(phenylsulfonyl)-1H-pyrazole is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 531.76 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).
5-(4-Chlorophenyl)-1-(2,6-dichloro-4-(trifluoromethyl)phenyl)-4-(phenylsulfonyl)-1H-pyrazole (CAS 318951-63-2), molecular formula C22H12Cl3F3N2O2S and molecular weight 531.76 g/mol, is a CATO reference standard with documented purity and traceability.
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), 5-(4-Chlorophenyl)-1-(2,6-dichloro-4-(trifluoromethyl)phenyl)-4-(phenylsulfonyl)-1H-pyrazole 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 | C22H12Cl3F3N2O2S |
| Molecular Weight | 531.76 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.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
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