Atomfair 2,3-Dichloropyridine C5H3Cl2N

Description 2,3-Dichloropyridine (CAS No. 2402-77-9) is a high-purity halogenated pyridine derivative with the molecular formula C5H3Cl2N . This compound is a versatile building block in organic synthesis, particularly in pharmaceutical, agrochemical, and material science research. Its structure features two chlorine atoms at the 2- and 3-positions of the pyridine ring, enabling selective functionalization for complex molecule construction. Available in >98% purity (GC), it is supplied as a clear to pale-yellow liquid or crystalline solid, stored under inert conditions to ensure stability. Ideal for nucleophilic substitution, cross-coupling reactions (e.g., Suzuki, Stille), and as a precursor for heterocyclic scaffolds. Suitable for HPLC,…

Description

2,3-Dichloropyridine (CAS No. 2402-77-9) is a high-purity halogenated pyridine derivative with the molecular formula C₅H₃Cl₂N. This compound is a versatile building block in organic synthesis, particularly in pharmaceutical, agrochemical, and material science research. Its structure features two chlorine atoms at the 2- and 3-positions of the pyridine ring, enabling selective functionalization for complex molecule construction. Available in >98% purity (GC), it is supplied as a clear to pale-yellow liquid or crystalline solid, stored under inert conditions to ensure stability. Ideal for nucleophilic substitution, cross-coupling reactions (e.g., Suzuki, Stille), and as a precursor for heterocyclic scaffolds. Suitable for HPLC, NMR, and LC-MS analysis. Handle with proper PPE due to potential irritant properties.

CAS No: 2402-77-9
Molecular Formula: C5H3Cl2N
Molecular Weight: 147.99
Exact Mass: 146.9642545
Monoisotopic Mass: 146.9642545
IUPAC Name: 2,3-dichloropyridine
SMILES: C1=CC(=C(N=C1)Cl)Cl
Synonyms: 2,3-DICHLOROPYRIDINE, Pyridine, 2,3-dichloro-, G8S8JY2HE2, NSC-298535, PYRIDINE,2,3-DICHLORO

Application

2,3-Dichloropyridine serves as a key intermediate in the synthesis of active pharmaceutical ingredients (APIs) and crop protection agents. Its dichloro-substituted pyridine core is leveraged in palladium-catalyzed cross-coupling reactions to construct biaryl systems. Researchers utilize it to develop ligands for catalysis and functional materials. In medicinal chemistry, it aids in creating kinase inhibitors and antimicrobial compounds. Also employed in electronic materials for its electron-withdrawing properties.

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