5-Chloro-4-fluorothiophene-2-carboxylic acid CAS 2092678-91-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2092678-91-4 |
| Molecular Formula | C5H2ClFO2S |
| Molecular Weight | 180.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Chloro-4-fluorothiophene-2-carboxylic acid (CAS 2092678-91-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5H2ClFO2S. Molecular weight: 180.58 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C5H2ClFO2S |
| Molecular Weight | 180.58 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 |
| CAS Registry Year (est.) | 1997 |
| Halogen Content | F/Cl-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 2-(2-Acetyl-5-bromophenoxy)acetic acid (CAS 90772-69-3)
- Ulipristal Impurity 26 (CAS 14340-01-3)
- 2-chloro-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 1780669-42-2)
- 3-(methylsulfanyl)azepane (CAS 1423031-54-2)
- Crustacean Cardioactive Peptide (CCAP) (CAS 309247-84-5)
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