Description

4-Bromo-1-Phenyl-1H-Pyrazole is a versatile brominated heterocyclic building block of significant importance in advanced organic synthesis. Its core value lies in its role as a key intermediate for constructing complex molecular architectures, particularly in pharmaceutical and agrochemical research. This compound is essential for medicinal chemists and process development scientists working on the synthesis of novel active ingredients, where its reactive bromine atom enables efficient cross-coupling and functionalization reactions.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of potential drug candidates, especially kinase inhibitors and other biologically active heterocycles.
• Agrochemical Research: Used in developing novel pesticides and herbicides, leveraging the pyrazole scaffold's bioactivity.
• Material Science: Serves as a building block for organic ligands in catalysis and for creating functional polymers with specific electronic properties.
• Chemical Synthesis: Employed in Suzuki, Heck, and other palladium-catalyzed cross-coupling reactions to introduce the phenylpyrazole moiety into more complex molecules.
• Academic & R&D: A valuable reagent for methodological studies in organic chemistry and for exploring new reaction pathways.

Basic Information

Product Name	4-Bromo-1-Phenyl-1H-Pyrazole
CAS No.	15115-52-3
Molecular Formula	C9H7BrN2
Molecular Weight	223.07 g/mol
Synonyms	4-Bromo-1-phenylpyrazole; 1-Phenyl-4-bromo-1H-pyrazole; 4-Bromo-1-phenyl-1H-pyrazole; 1-Phenyl-4-bromopyrazole; 4-Bromophenylpyrazole; NSC 405124; Pyrazole, 4-bromo-1-phenyl-
EINECS	Contact for details

Quality Control

Our 4-Bromo-1-Phenyl-1H-Pyrazole is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory needs.

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.

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%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.