Ethyl 1-(5-((4-chlorophenyl)thio)-4-(2,4-dichlorophenyl)thiazol-2-yl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylate CAS 956357-74-7
| CAS No. | 956357-74-7 |
| Molecular Formula | C22H13Cl3F3N3O2S2 |
| Molecular Weight | 578.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Ethyl 1-(5-((4-chlorophenyl)thio)-4-(2,4-dichlorophenyl)thiazol-2-yl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylate.
CATO supplies Ethyl 1-(5-((4-chlorophenyl)thio)-4-(2,4-dichlorophenyl)thiazol-2-yl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylate (CAS 956357-74-7), a certified reference material (molecular formula C22H13Cl3F3N3O2S2, MW 578.84 g/mol) for analytical method development and quality control.
Structurally, Ethyl 1-(5-((4-chlorophenyl)thio)-4-(2,4-dichlorophenyl)thiazol-2-yl)-5-(trifluoromethyl)-1H-pyrazole-4-carboxylate (C22H13Cl3F3N3O2S2) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 578.84 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), Ethyl 1-(5-((4-chlorophenyl)thio)-4-(2,4-dichlorophenyl)thiazol-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.
Physical & Chemical Properties
| Molecular Formula | C22H13Cl3F3N3O2S2 |
| Molecular Weight | 578.84 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 |
Related Ethyl Standards
- (E)-{[1-(4-chlorophenyl)-4-[(4-methylphenyl)sulfanyl]-2-phenyl-6,7-dihydro-1H-indol-5-yl]methylidene}amino benzoate (CAS 477887-82-4)
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- 5-(4-Chlorophenyl)-4-{2'-fluoro-4'-propyl-[1,1'-biphenyl]-4-yl}-2-{[(4-nitrophenyl)methyl]sulfanyl}pyrimidine (CAS 478248-96-3)
Recommended Standards
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