4-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)-N-(3,5-dimethylphenyl)benzenesulfonamide CAS 338775-29-4
| CAS No. | 338775-29-4 |
| Molecular Formula | C20H16ClF3N2O3S |
| Molecular Weight | 456.87 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)-N-(3,5-dimethylphenyl)benzenesulfonamide (CAS 338775-29-4), molecular formula C20H16ClF3N2O3S and molecular weight 456.87 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)-N-(3,5-dimethylphenyl)benzenesulfonamide (C20H16ClF3N2O3S) 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 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 456.87 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.
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), 4-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)oxy)-N-(3,5-dimethylphenyl)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 | C20H16ClF3N2O3S |
| Molecular Weight | 456.87 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) | 12.0 |
| 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 |
Related Chloro Standards
- 2-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)thio)-N-(3-methoxybenzyl)-1-methyl-1H-imidazole-5-carboxamide (CAS 339278-17-0)
- 3-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]sulfanyl}-5-[(E)-2-[(4-fluorophenyl)amino]ethenyl]-1,2-thiazole-4-carbonitrile (CAS 338413-05-1)
- 4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}-N-(2,3-dimethylphenyl)benzene-1-sulfonamide (CAS 338775-36-3)
- 2-Chloro-N'-(2-(4-methoxyphenyl)imidazo[1,2-a]pyridine-6-carbonyl)benzenesulfonohydrazide (CAS 866137-85-1)
- 3-(3-((2-Chloro-6-fluorobenzyl)oxy)phenyl)-1-tosyl-1H-pyrazole (CAS 477712-64-4)
- 3-{4-[(2-chloro-6-fluorophenyl)methoxy]phenyl}-1-(4-methylbenzenesulfonyl)-1H-pyrazole (CAS 477710-94-4)
- 5-({[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}methyl)-N-[(phenylcarbamoyl)amino]-4,5-dihydro-1,2-oxazole-3-carboxamide (CAS 338399-32-9)
- 4-Chloro-2-(4-(N,N-diethylsulfamoyl)phenyl)quinoline-6-sulfonyl fluoride (CAS 31242-12-3)
Recommended Standards
- 1,4-Diamino-7-chloro-2-(4-phenoxyphenoxy)anthracene-9,10-dione (CAS 88605-39-4)
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- NAV 2729 (CAS 419547-11-8)
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- Tetrakis(2-(dodecyldisulfanyl)ethyl) 3,3',3'',3'''-(((methylazanediyl)bis(ethane-2,1-diyl))bis(azanetriyl))tetrapropionate (CAS 2566523-07-5)
- (3'-Fluoro-4'-hydroxy-[1,1'-biphenyl]-2-yl)(pyrrolidin-3-yl)methanone (CAS 1261948-35-9)
- D-Lys16-Tirzepatide (CAS CATO-CPTD788918)
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