5-Fluoro-2-(trifluoromethyl)benzoic acid CAS 654-99-9
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 654-99-9 |
| Molecular Formula | C8H4F4O2 |
| Molecular Weight | 208.11 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Fluoro-2-(trifluoromethyl)benzoic acid (CAS 654-99-9) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C8H4F4O2. Molecular weight: 208.11 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C8H4F4O2 |
| Molecular Weight | 208.11 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | F-containing |
Related Fluoro Standards
- 5-Fluoro-2-(trifluoromethoxy)benzaldehyde (CAS 1092460-81-5)
- 4-Fluoro-2-(trifluoromethoxy)benzaldehyde (CAS 1105060-20-5)
- 2-Fluoro-3-(trifluoromethyl)benzoic Acid (CAS 115029-22-6)
- 2-Fluoro-5-(trifluoromethyl)benzoic Acid (CAS 115029-23-7)
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- 3-Fluoro-5-(trifluoromethoxy)benzaldehyde (CAS 1352999-98-4)
- 2-Fluoro-6-(trifluoromethoxy)benzaldehyde (CAS 1369504-59-5)
- 4-Fluoro-2-(trifluoromethyl)benzoic Acid (CAS 141179-72-8)
Recommended Standards
- 4-Fluoro-3-(trifluoromethyl)benzoic Acid (CAS 67515-55-3)
- Methyl 2,3,4,5-Tetrafluorobenzoate (CAS 5292-42-2)
- 4-Fluoro-3-(trifluoromethoxy)benzaldehyde (CAS 86256-48-6)
- Methyl 2-(2-(2-aminoethyl)thiazol-4-yl)acetate (CAS 1017469-23-6)
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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