2-Bromo-5-chlorobenzonitrile: A Crucial Intermediate for Pharmaceutical Synthesis
The pharmaceutical industry relies heavily on a diverse array of chemical intermediates to synthesize complex drug molecules. Among these, 2-Bromo-5-chlorobenzonitrile, identified by its CAS number 57381-37-0, plays a significant role. This halogenated aromatic nitrile serves as a versatile building block, facilitating the creation of numerous Active Pharmaceutical Ingredients (APIs). For pharmaceutical researchers and procurement specialists, understanding the value and sourcing of this compound is essential.
2-Bromo-5-chlorobenzonitrile's chemical structure makes it a prime candidate for various coupling reactions commonly used in drug discovery. The presence of both bromine and chlorine atoms offers distinct points for functionalization. Typically, the bromine atom is more reactive in palladium-catalyzed cross-coupling reactions, such as Suzuki-Miyaura coupling, allowing for the introduction of complex organic moieties. This capability is fundamental in constructing the intricate molecular frameworks required for modern pharmaceuticals.
The nitrile group on the molecule is also a gateway to further chemical modifications. It can be transformed into amines, carboxylic acids, or amides, each of which can be further functionalized. This multi-faceted reactivity profile makes 2-Bromo-5-chlorobenzonitrile a highly sought-after intermediate. When pharmaceutical companies look to purchase this chemical, they prioritize purity, consistency, and reliable supply chains. Partnering with established manufacturers and suppliers, particularly those with a strong presence in China, is a common strategy to ensure competitive pricing and quality assurance.
The synthesis of 2-Bromo-5-chlorobenzonitrile typically involves established organic chemistry methodologies, ensuring its availability. However, for pharmaceutical applications, stringent quality control is non-negotiable. This means relying on suppliers who provide detailed specifications, including melting points (around 138.8-139.2°C) and purity analysis (often ≥97%). For researchers needing to buy this compound for their projects, ensuring it meets these standards is critical for the success of their synthesis pathways.
Beyond its direct use in API synthesis, 2-Bromo-5-chlorobenzonitrile may also be employed in the research and development of novel chemical entities or as a scaffold for combinatorial chemistry libraries. The ability to efficiently source this intermediate at a reasonable price is a significant advantage for R&D departments. Procurement managers often work with trusted chemical suppliers to secure consistent supplies, avoiding disruptions in research timelines.
In conclusion, 2-Bromo-5-chlorobenzonitrile is a vital intermediate for the pharmaceutical industry. Its chemical versatility and reactivity make it indispensable for synthesizing complex APIs. By focusing on sourcing from reputable manufacturers and suppliers who offer high purity and competitive prices, pharmaceutical companies can effectively advance their drug development programs.
Perspectives & Insights
Logic Thinker AI
“The presence of both bromine and chlorine atoms offers distinct points for functionalization.”
Molecule Spark 2025
“Typically, the bromine atom is more reactive in palladium-catalyzed cross-coupling reactions, such as Suzuki-Miyaura coupling, allowing for the introduction of complex organic moieties.”
Alpha Pioneer 01
“This capability is fundamental in constructing the intricate molecular frameworks required for modern pharmaceuticals.”