3-Ethyl-4-fluorobenzoic acid CAS 847862-92-4
| CAS No. | 847862-92-4 |
| Molecular Formula | C9H9FO2 |
| Molecular Weight | 168.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Ethyl-4-fluorobenzoic acid (CAS 847862-92-4) is a high-purity analytical reference standard with the molecular formula C9H9FO2 and a molecular weight of 168.16 g/mol.
Based on its molecular formula C9H9FO2, 3-Ethyl-4-fluorobenzoic acid contains a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 168.16 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 3-Ethyl-4-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 | C9H9FO2 |
| Molecular Weight | 168.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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.) | 1987 |
| Halogen Content | F-containing |
Related Ethyl Standards
- 4-ETHYL-3-FLUOROBENZOIC ACID (CAS 1142924-72-8)
- 5-Ethyl-2-fluorobenzoic acid (CAS 1261451-93-7)
- 3-Ethyl-5-fluorobenzoic acid (CAS 1261843-53-1)
- 2-Ethyl-3-fluorobenzoic acid (CAS 1261884-93-8)
- 2-ethyl-4-fluorobenZoic acid (CAS 194487-61-1)
- 2-ethyl-5-fluorobenzoic acid (CAS 959992-78-0)
- 2-Ethyl-6-fluorobenzoic acid (CAS 479676-22-7)
- 4-Ethyl-2-fluorobenzoic acid (CAS 37135-28-7)
Recommended Standards
- 3-Ethoxy-4-fluorobenzaldehyde (CAS 870837-27-7)
- 3-Fluoro-2,6-dimethylbenzoic acid (CAS 26829-84-5)
- 3-(trifluoromethyl)cyclohexanol (CAS 454-63-7)
- 3-Fluoro-2-methoxy-5-methylbenzaldehyde (CAS 82129-37-1)
- 6-(P-tolyl)pyridin-2-amine (CAS 154479-28-4)
- 4-amino-1-ethyl-1H-pyrazole-3-carboxylic acid,HCl (CAS 1431965-02-4)
- 4-((Tetrahydro-2H-thiopyran-4-yl)amino)pentan-1-ol (CAS 1499309-81-7)
- 3-Methyl-5-(methylsulfonyl)benzoic acid (CAS 2301077-30-3)
- Umeclidinium Impurity 13 (CAS 2253743-36-9)
- 4-(Pyrrolidin-1-yl)-1,2,5-oxadiazol-3(2H)-one (CAS 632292-00-3)
- 4-(2,3-Dihydro-1H-indol-1-yl)-3-methylphenylamine (CAS 1094497-11-6)
- Methyl 2-(3-aminothietan-3-yl)acetate (CAS 1552836-56-2)
- (4R,5R)-5-((S)-1,2-Dihydroxyethyl)-2,2-dimethyl-1,3-dioxolane-4-carbaldehyde (CAS 131846-11-2)
- Semaglutide impurity 36 (CAS CATO-C4X-222636)
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