| CAS No. | 306979-53-3 |
| Molecular Formula | C25H16Cl2F3NO4S |
| Molecular Weight | 554.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Compared with other compounds in its class, the molecular weight of 554.37 g/mol gives 2-[3-(Benzenesulfonyl)-4-[(4-chlorophenyl)methoxy]phenoxy]-3-chloro-5-(trifluoromethyl)pyridine distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-[3-(Benzenesulfonyl)-4-[(4-chlorophenyl)methoxy]phenoxy]-3-chloro-5-(trifluoromethyl)pyridine (CAS 306979-53-3), molecular formula C25H16Cl2F3NO4S and molecular weight 554.37 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, 2-[3-(Benzenesulfonyl)-4-[(4-chlorophenyl)methoxy]phenoxy]-3-chloro-5-(trifluoromethyl)pyridine is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 554.37 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).
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), 2-[3-(Benzenesulfonyl)-4-[(4-chlorophenyl)methoxy]phenoxy]-3-chloro-5-(trifluoromethyl)pyridine 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.
| Molecular Formula | C25H16Cl2F3NO4S |
| Molecular Weight | 554.37 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 | 1 |