(E)-Ethyl 3-(2-ethoxyphenyl)-2,2-difluoro-3-(2-((2-(trifluoromethyl)phenyl)sulfonyl)hydrazono)propanoate CAS 2738683-71-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2738683-71-9 |
| Molecular Formula | C20H19F5N2O5S |
| Molecular Weight | 494.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(E)-Ethyl 3-(2-ethoxyphenyl)-2,2-difluoro-3-(2-((2-(trifluoromethyl)phenyl)sulfonyl)hydrazono)propanoate (CAS 2738683-71-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H19F5N2O5S. Molecular weight: 494.43 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H19F5N2O5S |
| Molecular Weight | 494.43 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
- 1-(3-Bromo-4-((2-methyl-[1,1'-biphenyl]-3-yl)methoxy)benzyl)piperidine-2-carboxylic acid (CAS 1675201-90-7)
- Fmoc-Sec(pMeBzl)-OH (CAS 1365284-49-6)
- (OC-6-22)-Tris[2-(1H-pyrazol-1-yl-κN2)pyridine-κN]cobalt(3+) (CAS 1346416-70-3)
- (1S,2S)-1-((2R,3R,4S,6S)-3-acetamido-4-acetoxy-6-((1-acetyl-5-bromo-4-chloro-1H-indol-3-yl)oxy)-6-(methoxycarbonyl)tetrahydro-2H-pyran-2-yl)propane-1,2,3-triyl triacetate (CAS 153248-53-4)
- Methyl 2-amino-6-fluoronicotinate (CAS 86724-85-8)
- 2',3',5'-Tri-O-benzoyl-2-thiouridine (CAS 21052-18-6)
- Tert-butyl (7S)-7-cyano-1-oxo-2,5-diazaspiro[3.4]Octane-5-carboxylate (CAS 2306259-49-2)
- 7-(Chlorodifluoromethyl)-5-methylpyrazolo[1,5-a]pyrimidine-2-carboxylic acid (CAS 676522-75-1)
- 1-Methyl-1H-pyrazolo[3,4-d]pyridazin-4-amine (CAS 96017-56-0)
- Semaglutide impurity 70 (CAS CATO-C4X-222670)
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