2-(Difluoromethyl)thiophene-3-carboxylic acid CAS 189330-26-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 189330-26-5 |
| Molecular Formula | C6H4F2O2S |
| Molecular Weight | 178.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-(Difluoromethyl)thiophene-3-carboxylic acid (CAS 189330-26-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H4F2O2S. Molecular weight: 178.16 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H4F2O2S |
| Molecular Weight | 178.16 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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 Difluoromethyl Standards
- 6-(Difluoromethyl)-2-sulfanylidene-1,2,3,4-tetrahydropyrimidin-4-one (CAS 1204298-76-9)
- 4-(Difluoromethyl)thiophene-3-carboxylic acid (CAS 1783508-32-6)
- 5-(Difluoromethyl)thiophene-3-carboxylic acid (CAS 189330-27-6)
- 4-(Difluoromethyl)thiophene-2-carboxylic acid (CAS 2143554-23-6)
- Difluoromethyl 2-fluorophenyl sulphide (CAS 1228781-83-6)
- trans-4-(difluoromethyl)cyclohexane-1-carboxylic acid (CAS 1115331-05-9)
- 4-(Difluoromethyl)cyclohexanecarboxylic Acid (CAS 1378852-94-8)
- 2-(Difluoromethyl)naphthalene (CAS 140135-76-8)
Recommended Standards
- 2,2-Difluoro-2-(1,3-thiazol-2-yl)acetamide (CAS 1850835-10-7)
- 7-Amino-5-fluoroquinolin-8-ol (CAS 18472-07-6)
- 7-fluoro-1-methyl-1H-1,3-benzodiazole-4-carbaldehyde (CAS 1934794-26-9)
- 5-((4-Methoxyphenyl)thio)pentan-2-one (CAS 1153195-29-9)
- 2-(4-(Benzo[d][1,3]dioxol-5-ylmethyl)piperazin-1-yl)-4-(4-(tert-butyl)phenyl)-4-oxobutanoic acid (CAS 1337915-29-3)
- N-(3-Isopropoxypropyl)-2-(5-methyl-7-oxo-3-phenyl-7H-furo[3,2-g]chromen-6-yl)acetamide (CAS 865282-93-5)
- tert-Butyl 4-cyano-4-fluoropiperidine-1-carboxylate (CAS 918431-93-3)
- Frovatriptan (CAS 158747-02-5)
- 2-BUtoxy-1,4-dichlorobenzene (CAS 548478-00-8)
- C-Peptide (Proinsulin) (CAS 59112-80-0)
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