Description

4-Bromo-3,5-Dichloropyridine is a halogenated pyridine derivative that serves as a versatile and critical building block in advanced organic synthesis. Its unique substitution pattern makes it a valuable intermediate for constructing complex molecules, particularly in the pharmaceutical and agrochemical sectors. This compound is essential for researchers and manufacturers developing active pharmaceutical ingredients (APIs), crop protection agents, and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of novel drug candidates, particularly in kinase inhibitor and antiviral research.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides, leveraging its halogenated structure for bioactivity.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized pyridine-based ligands used in transition metal catalysis.
• Material Science: Employed in the synthesis of organic electronic materials, such as charge-transport layers and light-emitting compounds.
• Chemical Research: A fundamental building block for academic and industrial R&D in heterocyclic and medicinal chemistry.
• Custom Synthesis: Provides a starting point for contract research organizations (CROs) and CDMOs to develop proprietary compounds for clients.

Basic Information

Product Name	4-Bromo-3,5-Dichloropyridine
CAS No.	343781-45-3
Molecular Formula	C5H2BrCl2N
Molecular Weight	226.89 g/mol
Synonyms	3,5-Dichloro-4-bromopyridine; 4-Bromo-3,5-dichloropyridine; Pyridine, 4-bromo-3,5-dichloro-; 343781-45-3; 4-Br-3,5-Cl2-Py; 4-Bromo-3,5-dichloro-pyridine
EINECS	Contact for details

Quality Control

Our 4-Bromo-3,5-Dichloropyridine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide full traceability and detailed Certificates of Analysis (COA) with every shipment. Our quality commitment aligns with cGMP principles for pharmaceutical intermediates, ensuring reliability for your most critical synthesis steps.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Keep the container tightly sealed in a dry environment to minimize exposure to moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥98.0% (Area %)
Melting Point	Contact for details
Loss on Drying	≤0.5%
Residue on Ignition	≤0.1%
Heavy Metals	≤20 ppm

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