Description

4-Bromo-1-(4-Methyl-Benzyl)-3-Nitro-1H-Pyrazole is a high-purity, functionalized pyrazole derivative serving as a critical synthetic intermediate in advanced organic chemistry. Its value lies in providing a versatile halogenated and nitrated scaffold for constructing complex molecules, enabling precise molecular modifications. This compound is primarily needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting new therapeutic agents.
• Agrochemical Research: Used in the development and optimization of next-generation pesticides, herbicides, and fungicides due to its reactive bromo and nitro functional groups.
• Material Science: Serves as a precursor for synthesizing specialized ligands, polymers, or functional materials with tailored electronic or photophysical properties.
• Chemical Biology: Employed in the design and synthesis of molecular probes and biochemical tools for studying biological pathways and enzyme functions.
• Custom Synthesis & Contract Manufacturing: A valuable starting material for custom synthesis houses and CDMOs (Contract Development and Manufacturing Organizations) producing bespoke compounds for client projects.

Basic Information

Product Name	4-Bromo-1-(4-Methyl-Benzyl)-3-Nitro-1H-Pyrazole
CAS No.	957354-44-8
Molecular Formula	C11H10BrN3O2
Molecular Weight	296.12 g/mol
Synonyms	4-Bromo-1-[(4-methylphenyl)methyl]-3-nitro-1H-pyrazole; 1-(4-Methylbenzyl)-4-bromo-3-nitropyrazole; 4-Bromo-1-(4-methylbenzyl)-3-nitropyrazole; 4-Bromo-3-nitro-1-(4-methylbenzyl)-1H-pyrazole; 1H-Pyrazole, 4-bromo-1-[(4-methylphenyl)methyl]-3-nitro-; 957354-44-8; 4-Br-1-(4-Me-Bn)-3-NO2-Pyrazole
EINECS	Contact for details

Quality Control

Our 4-Bromo-1-(4-Methyl-Benzyl)-3-Nitro-1H-Pyrazole is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) with detailed specifications are provided to guarantee the material meets the high standards required for research and development applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, handling and storage should minimize exposure to direct light.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
Purity (HPLC)	≥ 97.0%
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.