4-(4-Chlorophenyl)-2-fluorobenzoic acid CAS 764722-93-2
| CAS No. | 764722-93-2 |
| Molecular Formula | C13H8ClFO2 |
| Molecular Weight | 250.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-(4-Chlorophenyl)-2-fluorobenzoic acid is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4-(4-Chlorophenyl)-2-fluorobenzoic acid (CAS 764722-93-2) is a high-purity analytical reference standard with the molecular formula C13H8ClFO2 and a molecular weight of 250.65 g/mol.
Structurally, 4-(4-Chlorophenyl)-2-fluorobenzoic acid (C13H8ClFO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 250.65 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 4-(4-Chlorophenyl)-2-fluorobenzoic 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 | C13H8ClFO2 |
| Molecular Weight | 250.65 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.) | 1986 |
| Halogen Content | F/Cl-containing |
Related Chlorophenyl Standards
- 5-(2-Chlorophenyl)-2-fluorobenzoic acid (CAS 1184837-79-3)
- 4-(4-Chlorophenyl)-3-fluorobenzoic acid (CAS 1261904-48-6)
- 3-(3-Chlorophenyl)-5-fluorobenzoic acid (CAS 1261929-09-2)
- 4-(2-Chlorophenyl)-3-fluorobenzoic acid (CAS 1261933-39-4)
- 3-(3-Chlorophenyl)-4-fluorobenzoic acid (CAS 1262005-93-5)
- 4-(2-Chlorophenyl)-2-fluorobenzoic acid (CAS 505082-99-5)
- 2-(3-Chlorophenyl)-6-oxo-1,6-dihydropyrimidine-5-carboxylic acid (CAS 1087606-58-3)
- 1-(4-Chlorophenyl)-4-oxo-1,4-dihydropyridazine-3-carboxylic acid (CAS 147920-34-1)
Recommended Standards
- 4-Chloro-2-fluoro-[1,1'-biphenyl]-3-carboxylic acid (CAS 2624417-74-7)
- 2'-Chloro-5-fluoro-2-hydroxybenzophenone (CAS 2341-94-8)
- 4'-Chloro-3'-fluoro[1,1'-biphenyl]-2-carboxylic acid (CAS 893736-87-3)
- 2-Chloro-4-(4-fluorophenyl)benzoic acid (CAS 728951-41-5)
- 2-(6-Chloropyridazin-3-yl)-2-(2-fluorophenyl)acetonitrile (CAS 154419-42-8)
- 4-Methoxy-7-methyl-2,3-dihydro-1H-indene-5-carbonitrile (CAS 175136-10-4)
- 6-Chloro-2-(difluoromethyl)-3-methylpyridin-4-amine (CAS 1805922-27-3)
- 2-((4-Nitrophenyl)amino)phenol (CAS 119707-16-3)
- JF669, SE (CAS 2127150-20-1)
- 1-(Benzo[d]oxazol-6-yl)-N-methylmethanamine (CAS 1487183-96-9)
- 2,2'-[(Didodecylstannylene)bis(thio)]bisdiisooctyl Ester Acetic Acid (CAS 84030-61-5)
- 1-Methyl-2-(3-pyridin-3-yl-propyl)-pyrrolidine-2-carboxylic acid (CAS 1316220-94-6)
- 2-(2-Acetyl-4-fluorophenyl)acetic acid (CAS 1822768-57-9)
- Semaglutide impurity 43 (CAS CATO-C4X-222643)
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