Description

4-Chloro-3-Iodopyridine is a versatile halogenated pyridine derivative, serving as a critical building block in advanced organic synthesis. Its unique substitution pattern makes it a valuable intermediate for constructing complex molecules, particularly in the development of active pharmaceutical ingredients (APIs) and functional materials. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce specific halogen functionalities into heterocyclic scaffolds.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, especially kinase inhibitors and other biologically active molecules.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and pesticides.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in transition metal catalysis.
• Material Science Research: Building block for organic electronic materials, such as those used in OLEDs and semiconductors.
• Cross-Coupling Reactions: An excellent substrate for Suzuki, Stille, and other palladium-catalyzed cross-coupling reactions due to the reactive iodine and chlorine atoms.
• Chemical Biology Probes: Used to create tagged molecules for studying biological processes and target identification.

Basic Information

Product Name	4-Chloro-3-Iodopyridine
CAS No.	89167-34-0
Molecular Formula	C5H3ClIN
Molecular Weight	239.44 g/mol
Synonyms	3-Iodo-4-chloropyridine; 4-Chloro-3-iodo-pyridine; Pyridine, 4-chloro-3-iodo-; 4-Chloro-3-iodopyridine; 4-Chloro-3-iodo-pyridine (9CI)
EINECS	Contact for details

Quality Control

Our 4-Chloro-3-Iodopyridine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via NMR and IR spectroscopy, to ensure it meets the high standards required for research and commercial synthesis. Certificates of Analysis (COA) detailing batch-specific results are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Complies with ICH guidelines

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.