Description

4-Bromo-3-Methyl-5-Phenyl-1H-Pyrazole is a versatile brominated pyrazole derivative that serves as a crucial synthetic intermediate in advanced organic chemistry. Its value lies in its unique halogenated structure, which enables precise molecular modifications for developing novel compounds with targeted properties. This high-purity building block is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries seeking to innovate in active ingredient and functional material development.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly for developing kinase inhibitors and other biologically active heterocyclic compounds.
• Agrochemical Research: Used in creating new active ingredients for crop protection products, leveraging its halogenated pyrazole core for bioactivity.
• Material Science: Serves as a building block for advanced organic materials, including ligands for catalysis and monomers for specialty polymers.
• Chemical Synthesis: Employed in cross-coupling reactions (e.g., Suzuki, Buchwald-Hartwig) and as a scaffold for constructing complex molecular libraries in medicinal chemistry.
• Academic & R&D: A valuable reagent for universities and contract research organizations (CROs) exploring new synthetic pathways and structure-activity relationships.

Basic Information

Product Name	4-Bromo-3-Methyl-5-Phenyl-1H-Pyrazole
CAS No.	13808-66-7
Molecular Formula	C10H9BrN2
Molecular Weight	237.10 g/mol
Synonyms	4-Bromo-3-methyl-5-phenyl-1H-pyrazole; 1H-Pyrazole, 4-bromo-3-methyl-5-phenyl-; 3-Methyl-4-bromo-5-phenylpyrazole; 4-Bromo-3-methyl-5-phenylpyrazole; 5-Phenyl-4-bromo-3-methylpyrazole; 13808-66-7; 4-Br-3-Me-5-Ph-Pyrazole
EINECS	Contact for details

Quality Control

Our 4-Bromo-3-Methyl-5-Phenyl-1H-Pyrazole is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with cGMP principles where applicable, supporting our clients' needs in regulated research and development environments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from incompatible materials. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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