Intermediates

1-Bromo-4-chloro-2-fluorobenzene

  • CAS No.1996-29-8
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 1-Bromo-4-chloro-2-fluorobenzene (CAS 1996-29-8) designed for pharmaceutical synthesis. Reliable supply with ≥99.0% purity for global manufacturing needs.

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Product Technical Details

Product Overview

1-Bromo-4-chloro-2-fluorobenzene is a highly specialized halogenated aromatic compound serving as a critical building block in modern organic synthesis. This colorless liquid features a unique substitution pattern on the benzene ring, incorporating bromine, chlorine, and fluorine atoms at specific positions. Such multi-halogenated structures are invaluable in medicinal chemistry, allowing for selective functionalization through cross-coupling reactions. Our facility produces this intermediate under strict quality control standards to ensure consistency for downstream pharmaceutical applications.

The strategic placement of halogens provides chemists with versatile handles for further derivation. The bromine atom typically offers higher reactivity in palladium-catalyzed reactions compared to chlorine, while the fluorine atom can influence the metabolic stability and lipophilicity of the final drug molecule. This combination makes the compound an essential precursor for developing advanced therapeutic agents requiring precise molecular architecture.

Technical Specifications

We adhere to rigorous analytical protocols to guarantee the integrity of every batch. The following table outlines the key physical and chemical properties verified during our quality assurance process. Customers can rely on these specifications for their process development and scale-up activities.

ParameterSpecification
CAS Number1996-29-8
Molecular FormulaC6H3BrClF
Molecular Weight209.44 g/mol
AppearanceColorless Liquid
Purity≥99.0%
Density1.678 g/mL at 25 °C
Boiling Point91-92 °C at 20 mm Hg
Refractive Index1.556

Industrial Applications

Primarily utilized within the pharmaceutical sector, this intermediate supports the synthesis of complex active pharmaceutical ingredients. Its stability and reactivity profile make it suitable for various coupling methodologies, including Suzuki-Miyaura and Buchwald-Hartwig reactions. Researchers value this compound for its ability to introduce multiple functional groups sequentially, enabling the construction of diverse chemical libraries.

  • Ideal for multi-step organic synthesis pathways
  • Compatible with standard transition metal catalysis
  • Supports development of novel small molecule drugs
  • Used in agrochemical and material science research

Quality Assurance And Storage

To maintain optimal quality, 1-Bromo-4-chloro-2-fluorobenzene should be stored in tightly closed containers within a cool, dry, and well-ventilated area. It is essential to keep the substance away from incompatible materials such as strong oxidizing agents. Our packaging ensures protection during transit, typically supplied in 25kg drums suitable for industrial handling. Each shipment is accompanied by a Certificate of Analysis to verify compliance with stated specifications. We commit to providing global manufacturers with reliable supply chains and technical support for seamless integration into your production processes.