Description

3-Fluoro-2-nitropyridine (CAS No. 54231-35-5) is a high-purity fluorinated nitropyridine derivative with the molecular formula C₅H₃FN₂O₂. This compound is a versatile building block in pharmaceutical and agrochemical research, offering unique reactivity due to the synergistic effects of its fluorine and nitro substituents. It is supplied as a fine crystalline powder with ≥98% purity (HPLC) and is rigorously tested for consistency, ensuring reliable performance in nucleophilic substitution reactions, metal-catalyzed cross-couplings, and heterocyclic synthesis. Ideal for medicinal chemistry applications, this reagent is packaged under inert gas in amber glass vials with PTFE-lined caps to prevent moisture absorption and photodegradation. Available in research (1g, 5g) and bulk (25g, 100g) quantities with optional COA/MSDS documentation.

Properties

• CAS Number: 54231-35-5
• Complexity: 136
• IUPAC Name: 3-fluoro-2-nitro-pyridine
• InChI: InChI=1S/C5H3FN2O2/c6-4-2-1-3-7-5(4)8(9)10/h1-3H
• InChI Key: IJVFHCSUEBAAOZ-UHFFFAOYSA-N
• Exact Mass: 142.01785550
• Molecular Formula: C5H3FN2O2
• Molecular Weight: 142.09
• SMILES: C1=CC(=C(N=C1)[N+](=O)[O-])F
• Topological: 58.7
• Monoisotopic Mass: 142.01785550
• Synonyms: 3-fluoro-2-nitropyridine, 54231-35-5, DTXSID50376464, DTXCID10327492, 690-444-7, 2-Nitro-3-fluoropyridine, Pyridine, 3-fluoro-2-nitro-, MFCD04114127, 3-Fluoro 2-nitro pyridine, SCHEMBL251801, IJVFHCSUEBAAOZ-UHFFFAOYSA-N, BBL101606, SBB054286, STL555402, 3-Fluoro-2-nitropyridine, AldrichCPR, AKOS005145719, AC-7705, CS-W007428, HY-W007428, DS-10460, SY025327, DB-006432, F0981, ST50949806, EN300-134290

3-Fluoro-2-nitropyridine serves as a key intermediate in the synthesis of fluorinated pyridine scaffolds for drug discovery programs targeting kinase inhibitors and CNS-active compounds. The electron-withdrawing nitro group facilitates regioselective functionalization at the 2- and 6-positions, while the fluorine atom enhances metabolic stability in candidate molecules. Researchers utilize this compound in palladium-catalyzed Suzuki-Miyaura couplings to create biaryl systems and in reductive amination protocols for aminopyridine derivatives. Its compatibility with modern flow chemistry setups makes it valuable for high-throughput screening libraries.

Safety and Hazards

GHS Hazard Statements

• H302 (30%): Harmful if swallowed [Warning Acute toxicity, oral]
• H314 (20%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
• H315 (80%): Causes skin irritation [Warning Skin corrosion/irritation]
• H318 (10%): Causes serious eye damage [Danger Serious eye damage/eye irritation]
• H319 (80%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (70%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P260, P261, P264, P264+P265, P270, P271, P280, P301+P317, P301+P330+P331, P302+P352, P302+P361+P354, P304+P340, P305+P351+P338, P305+P354+P338, P316, P317, P319, P321, P330, P332+P317, P337+P317, P362+P364, P363, P403+P233, P405, and P501

Hazard Classes and Categories

• Acute Tox. 4 (30%)
• Skin Corr. 1B (20%)
• Skin Irrit. 2 (80%)
• Eye Dam. 1 (10%)
• Eye Irrit. 2A (80%)
• STOT SE 3 (70%)

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