Description

2-Fluoropyridine-3-boronic acid (CAS No. 174669-73-9) is a high-purity boronic acid derivative widely utilized in pharmaceutical research, agrochemical development, and materials science. With the molecular formula C₅H₅BFNO₂, this compound serves as a critical building block in Suzuki-Miyaura cross-coupling reactions, enabling the synthesis of complex heterocyclic frameworks. Its fluorine substituent enhances reactivity and stability, making it ideal for precision organic synthesis. Available in crystalline form with ≥95% purity, our product is rigorously tested via HPLC, NMR, and mass spectrometry to ensure batch-to-batch consistency. Packaged under inert gas to prevent degradation, it is supplied in amber glass vials with optional bulk quantities for industrial-scale applications.

Properties

• CAS Number: 174669-73-9
• Complexity: 114
• IUPAC Name: (2-fluoro-3-pyridyl)boronic acid
• InChI: InChI=1S/C5H5BFNO2/c7-5-4(6(9)10)2-1-3-8-5/h1-3,9-10H
• InChI Key: YUHZIUAREWNXJT-UHFFFAOYSA-N
• Exact Mass: 141.0397367
• Molecular Formula: C5H5BFNO2
• Molecular Weight: 140.91
• SMILES: B(C1=C(N=CC=C1)F)(O)O
• Topological: 53.4
• Monoisotopic Mass: 141.0397367
• Synonyms: 2-Fluoropyridine-3-boronic acid, 626-841-9, 174669-73-9, (2-fluoropyridin-3-yl)boronic Acid, 2-Fluoro-3-pyridylboronic acid, 2-fluoro-3-pyridineboronic acid, 2-fluoropyridin-3-ylboronic acid, 2-fluoropryridine-3-boronic acid, BORONIC ACID, B-(2-FLUORO-3-PYRIDINYL)-, MFCD03411557, 2-fluoropyridin-3-yl-3-boronic acid, (2-fluoro-3-pyridyl)boronic acid, (2-fluoro-3-pyridinyl)boronic acid, BORONIC ACID, (2-FLUORO-3-PYRIDINYL)-, SCHEMBL28165, 2-fluoro-pyridyl boronic acid, 2-fluoropyridine 3-boronic acid, CHEMBL3236608, 2-fluoro-3-dihydroxyborylpyridine, 2-fluoro-3-pyridinylboronic acid, DTXSID30382548, 2-Fluoro-pyridine 3-boronic acid, 2-Fluoro-pyridine-3-boronic acid, YUHZIUAREWNXJT-UHFFFAOYSA-N, 2-fluoropyridin-3-yl boronic acid, (2-fluoropyridin-3-yl)boronicAcid, BCP22996, CS-D1043, 2-fluoro-pyridin-3-yl boronic acid, BBL100314, RB2044, SBB052561, STL553939, AKOS000285081, AB14130, AC-6984, FF13563, GS-6752, HY-32950, SY014062, DB-028059, F0739, EN300-119267, Z1741966908, 2-Fluoro-3-pyridineboronic acid(contains varying amounts of Anhydride)

2-Fluoropyridine-3-boronic acid is extensively employed in palladium-catalyzed cross-coupling reactions to construct fluorinated pyridine scaffolds, key motifs in drug discovery. It facilitates the development of kinase inhibitors and CNS-targeting pharmaceuticals due to its bioisosteric properties. Researchers also leverage its boronic acid moiety for covalent organic framework (COF) synthesis and sensor materials. Compatible with aqueous and organic solvents, it is optimal for combinatorial chemistry workflows.

Safety and Hazards

GHS Hazard Statements

• H315 (100%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (97.9%): 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. 2 (100%)
• STOT SE 3 (97.9%)

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