Description

4-Bromo-3-Iodopyridine is a versatile halogenated pyridine derivative, a crucial bifunctional building block in advanced organic synthesis. Its distinct reactivity profile, featuring both bromine and iodine substituents, enables selective cross-coupling reactions, making it indispensable for constructing complex molecular architectures. This high-purity intermediate is primarily sought after by pharmaceutical R&D teams and fine chemical manufacturers for applications in medicinal chemistry, agrochemical development, and materials science.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates, particularly those targeting central nervous system (CNS) disorders and oncology.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, leveraging its halogenated structure for bioactivity.
• Ligand and Catalyst Development: Serves as a building block for creating specialized ligands used in transition metal catalysis and organometallic chemistry.
• Material Science Research: Employed in the synthesis of organic electronic materials, such as charge-transport layers and light-emitting components.
• Cross-Coupling Reactions: An essential substrate for Suzuki, Stille, and Sonogashira coupling reactions to form biaryl and conjugated systems.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes and tags for biochemical and diagnostic applications.

Basic Information

Product Name	4-Bromo-3-Iodopyridine
CAS No.	89167-20-4
Molecular Formula	C5H3BrIN
Molecular Weight	283.89 g/mol
Synonyms	3-Iodo-4-bromopyridine; Pyridine, 4-bromo-3-iodo-; 4-Bromo-3-iodo-pyridine; 4-Br-3-I-pyridine; 89167-20-4 (CAS); 4-Bromo-3-iodopyridine; 3-Iodo-4-bromo-pyridine
EINECS	Contact for details

Quality Control

Our 4-Bromo-3-Iodopyridine is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC, GC, NMR, and elemental analysis, to meet exacting customer specifications. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming identity, purity, and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.