2-Fluorothiophene-3-carboxylic acid CAS 71154-31-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 71154-31-9 |
| Molecular Formula | C5H3FO2S |
| Molecular Weight | 146.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 2-Fluorothiophene-3-carboxylic acid (CAS 71154-31-9) pharmaceutical standards reference standard. Molecular formula: C5H3FO2S. Molecular weight: 146.14 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C5H3FO2S |
| Molecular Weight | 146.14 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.) | 1977 |
| Halogen Content | F-containing |
| Sulfur Atoms | 1 |
Related Fluorothiophene Standards
- 3-Fluorothiophene-2-carboxylic Acid (CAS 32431-84-8)
- 4-Fluorothiophene-2-carboxylic Acid (CAS 32431-72-4)
- 4-Fluorothiophene-3-carboxylic acid (CAS 78071-32-6)
- 5-Fluorothiophene-2-carboxamide (CAS 1429418-60-9)
- (E)-5-Fluorothiophene-2-carbaldehyde oxime (CAS 34746-11-7)
- 3-Fluorothiophene-2-carboxamide (CAS 83933-19-1)
- 5-fluorothiophene-2-carboxylic acid (CAS 4377-58-6)
- 5-fluorothiophene-3-carboxylic acid (CAS 32415-50-2)
Recommended Standards
- 2-Ethynylbenzoic Acid (CAS 33578-00-6)
- 2H-Cyclohepta[b]furan-2-one (CAS 4481-35-0)
- 2-Ethylsuccinic acid (CAS 636-48-6)
- 7-Amino-4-methyl-1H-indole-2-carboxylic acid (CAS 1352889-31-6)
- 3-(Pyridin-4-yl)-6-(trifluoromethyl)picolinonitrile (CAS 1214329-48-2)
- Ethyl 4-oxopiperidine-3-carboxylate (CAS 67848-59-3)
- Dapagliflozin Impurity 122 (CAS CATO-C4X-1138122)
- (2-Bromo-pyridin-3-yl)-carbamic acid tert-butyl ester (CAS 116026-98-3)
- Nicotinoyl isothiocyanate (CAS 111430-89-8)
- Tirzepatide Impurity 38 (CAS CATO-C4X-324038)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 13829788188 / jacky.chen@cato-chem.com