5-[(2E)-1-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-2-(methoxyimino)ethyl]-N,N-diethylthiophene-2-sulfonamide CAS 344278-51-9
| CAS No. | 344278-51-9 |
| Molecular Formula | C17H19ClF3N3O3S2 |
| Molecular Weight | 469.93 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 5-[(2E)-1-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-2-(methoxyimino)ethyl]-N,N-diethylthiophene-2-sulfonamide (CAS 344278-51-9), a certified reference material (molecular formula C17H19ClF3N3O3S2, MW 469.93 g/mol) for analytical method development and quality control.
Owing to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, 5-[(2E)-1-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-2-(methoxyimino)ethyl]-N,N-diethylthiophene-2-sulfonamide is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 469.93 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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), 5-[(2E)-1-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-2-(methoxyimino)ethyl]-N,N-diethylthiophene-2-sulfonamide 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 | C17H19ClF3N3O3S2 |
| Molecular Weight | 469.93 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 2 |
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Recommended Standards
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