Description

3-Fluorophenylacetic acid (CAS No. 331-25-9) is a high-purity fluorinated organic compound with the molecular formula C₈H₇FO₂ and IUPAC name 2-(3-fluorophenyl)acetic acid. This white to off-white crystalline powder is a versatile building block in pharmaceutical, agrochemical, and material science research. With a molecular weight of 154.14 g/mol, it exhibits excellent solubility in organic solvents like ethanol, methanol, and dimethyl sulfoxide (DMSO). Our product is rigorously tested to ensure ≥98% purity (HPLC) and is supplied in amber glass bottles under inert atmosphere to guarantee stability. Ideal for nucleophilic substitution reactions, peptide coupling, and as a precursor for fluorinated drug candidates. Available in quantities from 1g to 1kg with optional COA and NMR spectra.

Properties

• CAS Number: 331-25-9
• Complexity: 147
• IUPAC Name: 2-(3-fluorophenyl)acetic acid
• InChI: InChI=1S/C8H7FO2/c9-7-3-1-2-6(4-7)5-8(10)11/h1-4H,5H2,(H,10,11)
• InChI Key: YEAUYVGUXSZCFI-UHFFFAOYSA-N
• Exact Mass: 154.04300762
• Molecular Formula: C8H7FO2
• Molecular Weight: 154.14
• SMILES: C1=CC(=CC(=C1)F)CC(=O)O
• Topological: 37.3
• Monoisotopic Mass: 154.04300762
• Synonyms: 3-Fluorophenylacetic acid, Benzeneacetic acid, 3-fluoro-, m-Fluorophenylacetic acid, (m-Fluorophenyl)acetic acid, 3-Fluorophenlacetic acid, EINECS 206-360-7, NSC 88344, DTXSID0059821, DTXCID4038633, 206-360-7, yeauyvguxszcfi-uhfffaoysa-n, 331-25-9, 2-(3-fluorophenyl)acetic acid, (3-fluorophenyl)acetic acid, Acetic acid, (m-fluorophenyl)-, MFCD00004331, 4CP7BU47LD, NSC-88344, 3-Fluorophenyl acetic acid, 3-Fluorophenylaceticacid, m-Fluorophenyl acetic acid, UNII-4CP7BU47LD, SCHEMBL9113, 3-fluoro phenyl acetic acid, NCIOpen2_001447, Benzeneacetic acid, m-fluoro-, CHEMBL136104, SCHEMBL22344571, 3-Fluorophenylacetic acid, 98%, Acetic acid, (3-fluorophenyl)-, acetic acid, 2-(3-fluorophenyl)-, NSC88344, SBB063367, STL169002, AKOS000120663, AB00361, AC-2510, BS-3850, CS-W004799, SY001712, F0216, NS00042312, ST50824462, EN300-20998, A22000, AC-509/25002041, Z104486030, Acetic acid, (m-fluorophenyl)-;Benzeneacetic acid, 3-fluoro-, 1-(1-Naphthalenylmethyl)piperazine; 1-(?-Naphthylmethyl)piperazine; 1-[(Naphthalen-1-yl)methyl]piperazine; N-(?-Naphthylmethyl)piperazine

Application

3-Fluorophenylacetic acid serves as a key intermediate in synthesizing non-steroidal anti-inflammatory drugs (NSAIDs) and fluorinated β-amino acids. Researchers utilize it to develop PET radiotracers for neurological imaging due to the fluorine-19 isotope’s NMR sensitivity. In material science, it acts as a monomer for fluorinated polyesters with enhanced thermal stability. The compound’s carboxyl group enables facile conjugation to biomolecules for proteomics studies.

Safety and Hazards

GHS Hazard Statements

• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (18.8%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (16.7%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P271, P280, P302+P352, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Skin Irrit. 2 (100%)
• Eye Irrit. 2A (18.8%)
• STOT SE 3 (16.7%)

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Disclaimer: Sold exclusively for laboratory research. Prohibited for commercial use, diagnostics, or human/animal applications. Buyers assume all compliance liability.