4-(2-(1-(Azetidin-3-yl)-1H-pyrazol-5-yl)-4-(trifluoromethyl)phenoxy)-5-chloro-2-fluoro-N-(1,3,4-thiadiazol-2-yl)benzenesulfonamide CAS 1354818-96-4
| CAS No. | 1354818-96-4 |
| Molecular Formula | C21H15ClF4N6O3S2 |
| Molecular Weight | 574.96 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The molecular framework of 4-(2-(1-(Azetidin-3-yl)-1H-pyrazol-5-yl)-4-(trifluoromethyl)phenoxy)-5-chloro-2-fluoro-N-(1,3,4-thiadiazol-2-yl)benzenesulfonamide (C21H15ClF4N6O3S2) is characterized by a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
4-(2-(1-(Azetidin-3-yl)-1H-pyrazol-5-yl)-4-(trifluoromethyl)phenoxy)-5-chloro-2-fluoro-N-(1,3,4-thiadiazol-2-yl)benzenesulfonamide (CAS 1354818-96-4), molecular formula C21H15ClF4N6O3S2 and molecular weight 574.96 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), 4-(2-(1-(Azetidin-3-yl)-1H-pyrazol-5-yl)-4-(trifluoromethyl)phenoxy)-5-chloro-2-fluoro-N-(1,3,4-thiadiazol-2-yl)benzenesulfonamide 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 | C21H15ClF4N6O3S2 |
| Molecular Weight | 574.96 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.) | 1991 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 6 |
| Sulfur Atoms | 2 |
Related Azetidin Standards
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Recommended Standards
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