Description

5-(4-Bromophenyl)-3-Methyl-1H-Pyrazole is a high-purity brominated pyrazole derivative, a versatile and critical building block in advanced organic synthesis. This compound is valued for its role as a key intermediate in the development of pharmaceuticals, agrochemicals, and functional materials. It is primarily sought after by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for candidates targeting central nervous system (CNS) disorders, inflammation, and oncology.
• Agrochemical Research: Serves as a core scaffold for developing novel herbicides, fungicides, and insecticides, leveraging the bioactivity of the pyrazole moiety.
• Material Science: Used in the research and production of advanced organic electronic materials, such as OLED (Organic Light-Emitting Diode) emitters and charge transport materials.
• Ligand Synthesis: Acts as a starting material for creating specialized ligands used in catalysis and metal-organic frameworks (MOFs).
• Chemical Biology: Employed as a probe or tag in medicinal chemistry for structure-activity relationship (SAR) studies and biochemical assay development.

Basic Information

Product Name	5-(4-Bromophenyl)-3-Methyl-1H-Pyrazole
CAS No.	948293-34-3
Molecular Formula	C10H9BrN2
Molecular Weight	237.10 g/mol
Synonyms	3-Methyl-5-(4-bromophenyl)-1H-pyrazole; 5-(4-Bromophenyl)-3-methylpyrazole; 1H-Pyrazole, 5-(4-bromophenyl)-3-methyl-; 4-Bromo-3-methyl-1H-pyrazole-5-phenyl (common misnomer); 3-Methyl-5-(p-bromophenyl)pyrazole; p-Bromophenyl methylpyrazole
EINECS	Contact for details

Quality Control

Our 5-(4-Bromophenyl)-3-Methyl-1H-Pyrazole is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure high chemical purity and consistent performance. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame.

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%
Heavy Metals	≤ 20 ppm

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