Ethyl 5-(difluoromethyl)thiophene-3-carboxylate CAS 189331-48-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 189331-48-4 |
| Molecular Formula | C8H8F2O2S |
| Molecular Weight | 206.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Ethyl 5-(difluoromethyl)thiophene-3-carboxylate (CAS 189331-48-4) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H8F2O2S. Molecular weight: 206.21 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H8F2O2S |
| Molecular Weight | 206.21 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; 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.) | 2011 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related Ethyl Standards
- Ethyl 5-(difluoromethyl)thiophene-2-carboxylate (CAS 1575820-69-7)
- 1-((Difluoromethyl)sulfonyl)-4-methylbenzene (CAS 4837-17-6)
- Difluoromethyl 3-methylphenyl sulphone (CAS 4837-16-5)
- 2-(Difluoromethyl)naphthalene-7-carboxaldehyde (CAS 1261661-02-2)
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- 2-(Difluoromethyl)naphthalene-3-carboxaldehyde (CAS 1261871-66-2)
- 4-(Difluoromethyl)-2-phenylpyrimidine (CAS 1261885-09-9)
- 1-(Difluoromethyl)naphthalene-3-carboxaldehyde (CAS 1261885-69-1)
Recommended Standards
- 2,2-Difluoro-1-(5-Methyl-2-Furyl)-2-(Methylsulfanyl)Ethanone (CAS 170654-37-2)
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- 3-(2-fluoro-4-methoxyphenyl)cyclopent-2-en-1-one (CAS 1692513-01-1)
- [1,1':4',1'':4'',1'''-Quaterphenyl]-3,3''',5,5'''-tetraamine (CAS 1569868-34-3)
- 5-(2-Thienyl)-3-Pyrazolecarboxylic Acid (CAS 182415-24-3)
- n1,n1-Dimethyl-n3-(4-methylpentan-2-yl)propane-1,3-diamine (CAS 1020997-84-5)
- Aklomide (CAS 3011-89-0)
- 8-Chloro-3-methylquinoline (CAS 97041-58-2)
- 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)naphthalen-1-amine (CAS 1218790-22-7)
- Liraglutide (13-21) TFA Salt (CAS CATO-C4X-19928)
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