Intermediates

4-Amino-3-bromobenzonitrile

  • CAS No.50397-74-5
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

High-purity 4-Amino-3-bromobenzonitrile (CAS 50397-74-5), a versatile brominated aromatic intermediate for advanced organic synthesis in pharmaceutical and agrochemical R&D.

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Product Technical Details

Product Overview

4-Amino-3-bromobenzonitrile is a high-value brominated aromatic building block widely employed in the synthesis of complex organic molecules. With its dual functional groups—an amino group and a nitrile moiety—positioned ortho to a bromine atom, this compound offers exceptional regioselectivity for cross-coupling reactions, nucleophilic substitutions, and heterocycle formations. It serves as a critical intermediate in the development of active pharmaceutical ingredients (APIs), crop protection agents, and specialty materials.

Specifications

Molecular FormulaC₇H₅BrN₂
Molecular Weight197.032 g/mol
CAS Number50397-74-5
AppearanceLight yellow to brown powder
Assay≥98.0%
Melting Point106–110 °C (lit.)
Density1.7 ± 0.1 g/cm³
Boiling Point300.3 ± 27.0 °C at 760 mmHg
Flash Point135.4 ± 23.7 °C
Vapour Pressure0.0 ± 0.6 mmHg at 25 °C
Refractive Index1.652

Industrial Applications

This brominated benzonitrile derivative is primarily utilized as a synthetic intermediate in multi-step organic transformations. Key applications include:

  • Serving as a precursor in palladium-catalyzed Suzuki, Sonogashira, and Buchwald-Hartwig coupling reactions.
  • Enabling the construction of nitrogen-containing heterocycles such as quinazolines and benzimidazoles.
  • Facilitating the development of novel compounds in medicinal chemistry programs targeting kinase inhibitors and other therapeutic modalities.
  • Supporting agrochemical innovation through the synthesis of structurally diverse bioactive molecules.

Supplied in 25 kg drums with custom packaging available upon request, 4-Amino-3-bromobenzonitrile should be stored in a cool, dry, and well-ventilated area away from incompatible substances to maintain stability and performance.