Intermediates

3-Bromo-5-iodopyridine

  • CAS No.233770-01-9
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 3-Bromo-5-iodopyridine (CAS 233770-01-9), a versatile halogenated pyridine building block for advanced organic synthesis and pharmaceutical intermediates.

Request Bulk Pricing

Product Technical Details

Product Overview

3-Bromo-5-iodopyridine is a highly valuable dihalogenated heterocyclic compound widely employed as a key intermediate in modern organic synthesis. Its dual halogen functionality—featuring both bromine and iodine substituents at the 3- and 5-positions of the pyridine ring—enables sequential and orthogonal cross-coupling reactions, making it indispensable in the construction of complex molecular architectures for agrochemicals, pharmaceuticals, and functional materials.

Specifications

Molecular FormulaC5H3BrIN
Molecular Weight283.89 g/mol
AppearanceYellow to brown solid
Assay≥98.0%
Moisture≤0.5%
Melting Point131.3–131.4°C
Boiling Point266.5°C
Density2.347 g/cm³
Flash Point115°C
Refractive Index1.665

Industrial Applications

This compound serves primarily as a specialty intermediate in multi-step synthetic pathways. Its regioselective reactivity allows chemists to leverage palladium-catalyzed couplings such as Suzuki, Sonogashira, and Buchwald-Hartwig aminations with high precision. Common applications include:

  • Synthesis of kinase inhibitors and other targeted therapeutics
  • Construction of ligands for catalytic systems
  • Development of novel electronic and optoelectronic materials
  • Preparation of bioactive molecules in medicinal chemistry research

Stored in a cool, well-ventilated area away from light and moisture, 3-Bromo-5-iodopyridine maintains stability under recommended conditions. Standard packaging is 25 kg per drum, with custom options available to meet specific industrial or laboratory requirements.