5-[(2E)-1-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-2-(methoxyimino)ethyl]-N,N-diethylthiophene-2-sulfonamide CAS 344278-51-9
Purity 97%+In StockPharmaceutical Standards
| 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 pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C17H19ClF3N3O3S2. Molecular weight: 469.93 g/mol. Batch-specific COA and technical support are available on request.
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
- Avanafil Impurity 7 (CAS CATO-C4X-11187)
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- Avanafil Impurity 146 (CAS CATO-C4X-1118146)
- N1-(3-chlorophenyl)-2-methylpropane-1,2-diamine (CAS 854650-27-4)
- 4-(5-Methyl-5H-[1,2,4]triazino[5,6-b]indol-3-yl)morpholine (CAS 3993-22-4)
- n-Methyl-1-(1-((5-methylthiophen-2-yl)methyl)pyrrolidin-3-yl)methanamine (CAS 1808547-85-4)
- 4-[[2-Methyl-6-(trifluoromethyl)-3-pyridinyl]amino]-4-oxo-2-butenoic acid (CAS 402479-90-7)
- (R)-1-(3,5-Bis(trifluoromethyl)phenyl)-N-methylethanamine (CAS 334477-60-0)
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Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com