4-{[3-chloro-5-(trifluoromethyl)-2-pyridinyl]oxy}-2-(phenylsulfonyl)phenyl 4-chlorobenzenesulfonate CAS 338407-47-9
| CAS No. | 338407-47-9 |
| Molecular Formula | C24H14Cl2F3NO6S2 |
| Molecular Weight | 604.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-{[3-chloro-5-(trifluoromethyl)-2-pyridinyl]oxy}-2-(phenylsulfonyl)phenyl 4-chlorobenzenesulfonate (CAS 338407-47-9), molecular formula C24H14Cl2F3NO6S2 and molecular weight 604.40 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 4-{[3-chloro-5-(trifluoromethyl)-2-pyridinyl]oxy}-2-(phenylsulfonyl)phenyl 4-chlorobenzenesulfonate (C24H14Cl2F3NO6S2) is characterized by a flavonoid 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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-{[3-chloro-5-(trifluoromethyl)-2-pyridinyl]oxy}-2-(phenylsulfonyl)phenyl 4-chlorobenzenesulfonate 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 | C24H14Cl2F3NO6S2 |
| Molecular Weight | 604.40 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 3,8-Bis[3,5-bis(trifluoromethyl)phenyl]-1,10-phenanthroline (CAS 1228032-35-6)
- Gold, (4-pyridinylethynyl)[tris(4-methylphenyl)phosphine]- (CAS 825628-24-8)
- (2-Butyl-3-benzofuranyl)[4-(2-hydroxyethoxy)-3,5-diiodophenyl]methanone (CAS 135048-44-1)
- (1-Methyl-3-phenyl-5-((3-(trifluoromethyl)phenyl)thio)-1H-pyrazol-4-yl)methyl 3,5-bis(trifluoromethyl)benzoate (CAS 318497-74-4)
- 5-Bromo-1,1,1-trifluoropentane (CAS 54932-74-0)
- 4-[(4-Bromobenzyl)oxy]benzoyl chloride (CAS 62290-54-4)
- 1-[(4-chloro-3-methylphenoxy)methyl]-3,5-dimethyl-1h-pyrazol-4-amine (CAS 956394-35-7)
- 5-(4-(Benzyloxy)phenyl)-4-phenyl-4H-1,2,4-triazole-3-thiol (CAS 189372-24-5)
- Bromodimethylsulfonium bromide (CAS 50450-21-0)
- 2-(4-Fluorophenoxy)-N-methyl-1-ethanamine 694431-80-6 8262AE C9H12FNO (CAS 694431-80-6)
- 5-((3,5-Dimethylphenoxy)methyl)-4-ethyl-4H-1,2,4-triazole-3-thiol (CAS 667413-42-5)
- Ethyl 5-methyl-7-(perfluoroethyl)-4,5,6,7-tetrahydropyrazolo[1,5-a]pyrimidine-2-carboxylate (CAS 725699-01-4)
- 5-Methoxythiazolo[5,4-d]pyrimidin-2-amine (CAS 920313-63-9)
- Acetyl-Tau Peptide (244-274) (Repeat 1 Domain) trifluoroacetate salt (CAS 2022956-56-3)
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