1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-N-(3,5-dimethylphenyl)-1H-pyrrole-2-sulfonamide CAS 321433-65-2
| CAS No. | 321433-65-2 |
| Molecular Formula | C18H15ClF3N3O2S |
| Molecular Weight | 429.84 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-N-(3,5-dimethylphenyl)-1H-pyrrole-2-sulfonamide (CAS 321433-65-2), a certified reference material (molecular formula C18H15ClF3N3O2S, MW 429.84 g/mol) for analytical method development and quality control.
1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-N-(3,5-dimethylphenyl)-1H-pyrrole-2-sulfonamide (C18H15ClF3N3O2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. It is notably hygroscopic, halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C18H15ClF3N3O2S |
| Molecular Weight | 429.84 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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chloro Standards
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