3-Cyano-4-(2-fluorophenoxy)benzoic acid CAS 1056952-13-6
| CAS No. | 1056952-13-6 |
| Molecular Formula | C14H8FNO3 |
| Molecular Weight | 257.22 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 257.22 g/mol gives 3-Cyano-4-(2-fluorophenoxy)benzoic acid distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Cyano-4-(2-fluorophenoxy)benzoic acid (CAS 1056952-13-6) is a high-purity analytical reference standard with the molecular formula C14H8FNO3 and a molecular weight of 257.22 g/mol.
Based on its molecular formula C14H8FNO3, 3-Cyano-4-(2-fluorophenoxy)benzoic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 257.22 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
As a certified reference material (CRM), 3-Cyano-4-(2-fluorophenoxy)benzoic acid meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C14H8FNO3 |
| Molecular Weight | 257.22 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
Related Cyano Standards
- 4'-Cyano-3-fluoro-3'-hydroxy-[1,1'-biphenyl]-4-carboxylic acid (CAS 1261964-35-5)
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- Ethyl 2-cyano-2-(4-(trifluoromethyl)phenyl)acetate (CAS 180267-18-9)
- Ethyl 4-cyano-3-(trifluoromethyl)phenyacetate (CAS 1806349-82-5)
- 3-Cyano-N-(4-methoxyphenyl)-5-methylisoxazole-4-carboxamide (CAS 400076-13-3)
- N-(4-Cyano-3-methyl-1,2-oxazol-5-yl)-2-methoxybenzamide (CAS 478033-16-8)
- 2-Cyano-N'-{2-methylpyrazolo[1,5-a]pyrimidine-6-carboximidoyl}acetohydrazide (CAS 400078-00-4)
- 4-Cyano-5-methyl-2,5-dihydrofuran-3-yl trifluoromethanesulfonate (CAS 2774614-11-6)
Recommended Standards
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- 2-(3-Fluorophenyl)benzo[d]oxazole-5-carboxylic acid (CAS 1018578-59-0)
- 3-(2-Fluorophenyl)-[1,2,4]triazolo[4,3-a]pyridine-8-carboxylic acid (CAS 1206970-37-7)
- 2-Bromoheptafluoropropane (CAS 422-77-5)
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- 4-(PRopan-2-yloxy)benzene-1,3-diol (CAS 1369772-80-4)
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