Description

5-Bromo-1-(2-Chloro-Phenyl)-1H-Pyrazole-4-Carboxylic Acid Ethyl Ester is a high-purity, functionalized pyrazole derivative serving as a critical synthetic intermediate. Its value lies in providing a versatile chemical scaffold for constructing complex molecules in advanced research and development. This compound is essential for pharmaceutical chemists and agrochemical researchers focused on discovering new active ingredients, particularly in medicinal chemistry and crop protection science.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, especially in kinase inhibitor and anti-inflammatory research.
• Agrochemical Synthesis: Used in the development of next-generation herbicides, fungicides, and insecticides.
• Material Science Research: Serves as a precursor for functional organic materials, including liquid crystals and organic semiconductors.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying biological pathways and target engagement.
• Custom Synthesis & Contract Manufacturing: A starting material for custom synthesis projects requiring specific halogenated pyrazole architectures.
• Academic & R&D Laboratories: Fundamental research chemical for exploring new organic reactions and heterocyclic chemistry.

Basic Information

Product Name	5-Bromo-1-(2-Chloro-Phenyl)-1H-Pyrazole-4-Carboxylic Acid Ethyl Ester
CAS No.	1245259-89-5
Molecular Formula	C12H10BrClN2O2
Molecular Weight	329.58 g/mol
Synonyms	Ethyl 5-Bromo-1-(2-chlorophenyl)-1H-pyrazole-4-carboxylate; 1-(2-Chlorophenyl)-5-bromo-1H-pyrazole-4-carboxylic Acid Ethyl Ester; 5-Bromo-1-(2-chlorophenyl)-1H-4-pyrazolecarboxylic Acid Ethyl Ester; 1245259-89-5; 5-Br-1-(2-Cl-Ph)-1H-Pyrazole-4-COOEt; AKOS006361583; SCHEMBL15568211; Ethyl 5-bromo-1-(2-chlorophenyl)pyrazole-4-carboxylate
EINECS	Contact for details

Quality Control

Our 5-Bromo-1-(2-Chloro-Phenyl)-1H-Pyrazole-4-Carboxylic Acid Ethyl Ester 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. We provide comprehensive Certificates of Analysis (COA) with every shipment, detailing all critical quality attributes. Our commitment to cGMP principles and ISO-aligned processes guarantees a reliable supply of high-grade material for your most demanding applications.

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 strong bases and incompatible organic solvents. For long-term storage, consider inert atmosphere conditions to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.