4-Chloro-5-methoxy-3-(2,2,2-trifluoroethoxy)thiophene-2-carboxylic acid CAS 1779123-66-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1779123-66-8 |
| Molecular Formula | C8H6ClF3O4S |
| Molecular Weight | 290.64 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4-Chloro-5-methoxy-3-(2,2,2-trifluoroethoxy)thiophene-2-carboxylic acid (CAS 1779123-66-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H6ClF3O4S. Molecular weight: 290.64 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H6ClF3O4S |
| Molecular Weight | 290.64 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
Related Chloro Standards
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- 5-Chloro-4'-fluoro-3'-(trifluoromethyl)-[1,1'-biphenyl]-2-ol (CAS 1928702-91-3)
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Recommended Standards
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- methyl 1-(2-aminocyclohexyl)-1H-1,2,3-triazole-4-carboxylate hydrochloride (CAS 1181515-63-8)
- Sodium 5-bromo-2-(1-hydroxypentyl)benzoate (CAS 1631152-53-8)
- 2-(Chloromethyl)-5-(4-chlorophenyl)-1,3,4-thiadiazole (CAS 851983-40-9)
- Silver, [(2S)-2-(hydroxy-κO)propanoato-κO]- (CAS 80298-33-5)
- 6-CHloro-N-isopropylpyridine-3-carboxamide (CAS 57724-90-0)
- (3E)-1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-3-[(dimethylamino)methylidene]pyrrolidin-2-one 338791-79-0 6G-045 (CAS 338791-79-0)
- [Plus-β-Ala28]-Semaglutide (CAS CATO-C4X-2226221)
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