Description

3-Fluoropyridine-2-carboxylic acid (CAS No. 152126-31-3) is a high-purity fluorinated pyridine derivative with the molecular formula C₆H₄FNO₂. This compound is a valuable building block in pharmaceutical and agrochemical research, offering a unique combination of fluorine substitution and carboxylic acid functionality for selective modifications. Its IUPAC name, 3-fluoropyridine-2-carboxylic acid, reflects its precise structural configuration. Available in >98% purity (HPLC), this white to off-white crystalline powder is rigorously tested for consistency, ensuring optimal performance in synthetic applications. Each batch is supplied with comprehensive analytical data, including ¹H NMR, ¹³C NMR, and LC-MS spectra. Store in a cool, dry place (2-8°C) under inert atmosphere for maximum stability. Suitable for use in medicinal chemistry, material science, and as a ligand precursor in catalysis.

Properties

• CAS Number: 152126-31-3
• Complexity: 140
• IUPAC Name: 3-fluoropyridine-2-carboxylic acid
• InChI: InChI=1S/C6H4FNO2/c7-4-2-1-3-8-5(4)6(9)10/h1-3H,(H,9,10)
• InChI Key: IRERRSXDWUCFIY-UHFFFAOYSA-N
• Exact Mass: 141.02260653
• Molecular Formula: C6H4FNO2
• Molecular Weight: 141.10
• SMILES: C1=CC(=C(N=C1)C(=O)O)F
• Topological: 50.2
• Monoisotopic Mass: 141.02260653
• Synonyms: 3-Fluoropyridine-2-carboxylic acid, 152126-31-3, DTXSID60376450, DTXCID70327478, 675-413-8, 3-fluoropicolinic acid, 3-Fluoro-2-pyridinecarboxylic acid, 2-Pyridinecarboxylicacid, 3-fluoro-, MFCD04114108, C6H4FNO2, 2-PYRIDINECARBOXYLIC ACID, 3-FLUORO-, 3-fluoro-2-carboxypyridine, 3-Fluoropyridine-2-carboxylicacid, 3-fluoropicolinicacid, 3-fluoropyridine-carboxylic, SCHEMBL287811, SCHEMBL8924999, SCHEMBL27228061, IRERRSXDWUCFIY-UHFFFAOYSA-N, CS-D1556, 3-fluoro-pyridine-2-carboxylic acid, SBB052966, AKOS005063825, GF-0701, PB12310, AC-23019, BP-11324, SY013087, DB-006451, EN300-96528, 3-Fluoro-2-pyridinecarboxylic acid;3-Fluoro-2-carboxypyridine

Application

3-Fluoropyridine-2-carboxylic acid serves as a key intermediate in the synthesis of fluorinated pharmaceuticals, particularly kinase inhibitors and CNS-active compounds. Its carboxylic acid group enables facile conjugation to biomolecules or conversion to amides/esters, while the fluorine atom modulates electronic properties and metabolic stability. Researchers utilize this compound to develop PET radiotracers due to the ¹⁸F-labeling potential. In material science, it acts as a precursor for functionalized pyridine-based polymers with tailored optoelectronic properties.

Safety and Hazards

GHS Hazard Statements

• H302 (25%): Harmful if swallowed [Warning Acute toxicity, oral]
• H312 (25%): Harmful in contact with skin [Warning Acute toxicity, dermal]
• H315 (75%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (75%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H332 (25%): Harmful if inhaled [Warning Acute toxicity, inhalation]
• H335 (75%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (25%)
• Acute Tox. 4 (25%)
• Skin Irrit. 2 (75%)
• Eye Irrit. 2A (75%)
• Acute Tox. 4 (25%)
• STOT SE 3 (75%)

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