Description

4-Bromo-1-(4-Chloro-Benzyl)-3-Nitro-1H-Pyrazole is a high-purity, advanced pharmaceutical intermediate and versatile chemical building block. Its unique halogenated and nitrated pyrazole structure makes it a critical precursor for synthesizing novel active pharmaceutical ingredients (APIs) and agrochemicals. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new compounds with targeted biological activity.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting various therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of new-generation pesticides, herbicides, and fungicides due to its bioactive pyrazole core.
• Chemical Research & Development: Serves as a versatile scaffold for organic synthesis, enabling the exploration of new chemical spaces in academic and industrial R&D labs.
• Ligand and Catalyst Development: Potential use in creating specialized ligands for metal-organic frameworks (MOFs) or catalysts in asymmetric synthesis.
• Material Science Precursor: Can be utilized in the development of advanced functional materials, such as organic semiconductors or photoactive compounds.

Basic Information

Product Name	4-Bromo-1-(4-Chloro-Benzyl)-3-Nitro-1H-Pyrazole
CAS No.	957266-44-3
Molecular Formula	C10H7BrClN3O2
Molecular Weight	316.54 g/mol
Synonyms	4-Bromo-1-[(4-chlorophenyl)methyl]-3-nitro-1H-pyrazole; 1-(4-Chlorobenzyl)-4-bromo-3-nitropyrazole; 4-Bromo-1-(4-chlorobenzyl)-3-nitropyrazole; 4-Bromo-3-nitro-1-(4-chlorobenzyl)-1H-pyrazole; 1H-Pyrazole, 4-bromo-1-[(4-chlorophenyl)methyl]-3-nitro-; 957266-44-3
EINECS	Contact for details

Quality Control

Our 4-Bromo-1-(4-Chloro-Benzyl)-3-Nitro-1H-Pyrazole is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to support your quality assurance protocols.

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. This material is light-sensitive and should be stored away from light.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Residual Solvents (GC)	Meets ICH guidelines
Loss on Drying	≤ 0.5%

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