Description

3,5-Dichloro-4-Iodopyridine, 97% is a high-purity halogenated pyridine derivative serving as a versatile and critical building block in advanced organic synthesis. Its unique substitution pattern makes it a valuable scaffold for constructing complex molecules, particularly in the development of active pharmaceutical ingredients (APIs) and functional materials. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to introduce specific halogen functionalities for further cross-coupling reactions or structural modifications.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, especially for creating libraries of compounds via Suzuki, Stille, or other palladium-catalyzed cross-coupling reactions.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides where the pyridine core and halogen atoms are crucial for bioactivity.
• Ligand and Catalyst Development: Serves as a starting material for synthesizing specialized ligands used in homogeneous catalysis and coordination chemistry.
• Material Science Research: Employed in the creation of organic electronic materials, such as components for OLEDs or conductive polymers, due to its electron-deficient aromatic system.
• Chemical Biology Probes: Utilized to develop molecular probes and tags for studying biological systems, leveraging the iodine atom for potential radiolabeling or further functionalization.

Basic Information

Product Name	3,5-Dichloro-4-Iodopyridine, 97%
CAS No.	343781-41-9
Molecular Formula	C5H2Cl2IN
Molecular Weight	273.89 g/mol
Synonyms	4-Iodo-3,5-dichloropyridine; 3,5-Dichloro-4-iodopyridine; 4-Iodo-3,5-dichloropyridine; Pyridine, 3,5-dichloro-4-iodo-; 343781-41-9; 3,5-Dichloro-4-iodo-pyridine
EINECS	Contact for details

Quality Control

Our 3,5-Dichloro-4-Iodopyridine, 97% is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including HPLC, GC, and NMR to verify identity and assay. A comprehensive Certificate of Analysis (COA) detailing purity, impurities, and physical characteristics is provided with every shipment to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residue on Ignition	< 0.1%

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