4-(3-Carboxy-5-fluorophenyl)-2-fluorobenzoic acid CAS 1261978-52-2
| CAS No. | 1261978-52-2 |
| Molecular Formula | C14H8F2O4 |
| Molecular Weight | 278.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 4-(3-Carboxy-5-fluorophenyl)-2-fluorobenzoic acid is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, a polycyclic aromatic system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
4-(3-Carboxy-5-fluorophenyl)-2-fluorobenzoic acid (CAS 1261978-52-2) is a high-purity analytical reference standard with the molecular formula C14H8F2O4 and a molecular weight of 278.21 g/mol.
Based on its molecular formula C14H8F2O4, 4-(3-Carboxy-5-fluorophenyl)-2-fluorobenzoic 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 278.21 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures 4-(3-Carboxy-5-fluorophenyl)-2-fluorobenzoic 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 | C14H8F2O4 |
| Molecular Weight | 278.21 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 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Halogen Content | F-containing |
Related Carboxy Standards
- 5-(4-Carboxy-3-fluorophenyl)-2-fluorobenzoic acid (CAS 1261956-34-6)
- 3-(4-Carboxy-3-fluorophenyl)-4-fluorobenzoic acid (CAS 1262001-65-9)
- 3-Carboxy-4-methoxyphenylboronic acid pinacol ester (CAS 2121512-71-6)
- 2-(3-Carboxy-4-chlorophenyl)nicotinic acid (CAS 1261947-93-6)
- Methyl 3-(2-carboxy-vinyl)-5-methoxy-1H-indole-2-carboxylate (CAS 885273-71-2)
- 3-(3-Carboxy-2,2-dimethylpropyl)-7-methylquinoxaline 1-oxide (CAS 77147-78-5)
- Carboxy Primaquine (CAS 77229-68-6)
- 4-(4-Carboxy-3-fluorophenyl)-3-methylbenzoic acid (CAS 1261964-10-6)
Recommended Standards
- 3,3'-Difluoro-[1,1'-biphenyl]-4,4'-dicarboxylic acid (CAS 1261929-07-0)
- 2-((3-(Trifluoromethyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetic acid (CAS 1269535-21-8)
- (2-(Difluoromethyl)-6-nitrophenyl)(pyridin-4-yl)methanone (CAS 1261884-76-7)
- Tris(3-fluoropropyl) phosphate (CAS 1346521-40-1)
- Bupivacaine (CAS 38396-39-3)
- 2-[(4-ethoxyphenyl)formamido]acetic acid (CAS 51220-52-1)
- (R)-1,5-diethylpiperazin-2-one (CAS 1217603-45-6)
- 2-(Anthracen-9-yl)-2H-pyran-4(3H)-one (CAS 1315503-47-9)
- (8-Fluoronaphthalen-2-yl)boronic acid (CAS 627526-70-9)
- 6-Amino-5-methylpyrimidine-2,4(1H,3H)-dione (CAS 15828-63-4)
- 2-((5-Nitrofuran-2-yl)methylene)-1,3-dioxo-2,3-dihydro-1H-indene-5-carboxylic acid (CAS 451461-46-4)
- 3-Ethyl-5-hydroxy-N-methylbenzamide (CAS 1243439-85-1)
- Acesulfame Potassium (CAS 55589-62-3)
- CBP501 Affinity Peptide trifluoroacetate salt (CAS 1351804-17-5)
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