2-Fluoro-5-(3-trifluoromethylphenyl)benzoic acid CAS 926235-51-0
| CAS No. | 926235-51-0 |
| Molecular Formula | C14H8F4O2 |
| Molecular Weight | 284.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Fluoro-5-(3-trifluoromethylphenyl)benzoic acid (CAS 926235-51-0) is a high-purity analytical reference standard with the molecular formula C14H8F4O2 and a molecular weight of 284.21 g/mol.
Based on its molecular formula C14H8F4O2, 2-Fluoro-5-(3-trifluoromethylphenyl)benzoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, a polycyclic aromatic system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 284.21 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
CATO manufactures 2-Fluoro-5-(3-trifluoromethylphenyl)benzoic acid under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C14H8F4O2 |
| Molecular Weight | 284.21 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
Related Fluoro Standards
- 2-Fluoro-5-(4-trifluoromethylphenyl)benzoic acid (CAS 1179671-81-8)
- 5-Fluoro-4'-(trifluoromethyl)-[1,1'-biphenyl]-2-carboxylic acid (CAS 1179762-71-0)
- 4-Fluoro-3-(3-trifluoromethylphenyl)benzoic acid (CAS 1261593-39-8)
- 2-Fluoro-4'-(trifluoromethyl)biphenyl-3-carboxylic acid (CAS 1261669-11-7)
- 5-Fluoro-3-(2-trifluoromethylphenyl)benzoic acid (CAS 1261741-41-6)
- 3-Fluoro-4-(3-trifluoromethylphenyl)benzoic acid (CAS 1261750-12-2)
- 2-Fluoro-5-(2-trifluoromethylphenyl)benzoic acid (CAS 1261772-06-8)
- 5-Fluoro-3-(3-trifluoromethylphenyl)benzoic acid (CAS 1261772-10-4)
Recommended Standards
- 2-Fluoro-4-(3-trifluoromethylphenyl)benzoic acid (CAS 926222-59-5)
- 3-((2,2,2-Trifluoroethoxy)sulfonyl)benzoic acid (CAS 750607-75-1)
- 2'-Fluoro-2-(trifluoromethyl)-[1,1'-biphenyl]-4-carboxylic acid (CAS 916806-96-7)
- 3-(4-Fluoro-3-trifluoromethylphenyl)benzoic acid (CAS 942475-06-1)
- 3-(5-Chlorobenzo[d]oxazol-2-yl)-2-methylaniline (CAS 356085-14-8)
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- (2-Chloroquinolin-4-yl)methanol (CAS 432518-08-6)
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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 18665070610 / Nicole.chen@cato-chem.com