Description

Ethyl 3-(4-Bromophenyl)-1H-Pyrazole-5-Carboxylate is a high-purity brominated pyrazole derivative serving as a critical synthetic intermediate in advanced organic chemistry. Its value lies in providing a versatile, functionalized scaffold for constructing complex molecules, particularly in pharmaceutical and agrochemical research. This compound is essential for researchers and process chemists in life sciences and fine chemical industries who require reliable building blocks for drug discovery and development programs.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs), especially in kinase inhibitor and anti-inflammatory drug candidates.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators due to its bioactive pyrazole core.
• Material Science: Serves as a precursor for functional organic materials, including liquid crystals and organic light-emitting diodes (OLEDs).
• Chemical Synthesis: Versatile intermediate for further functionalization via cross-coupling reactions, hydrolysis, or amidation, enabling library synthesis for high-throughput screening.
• Academic & Contract Research: Essential reagent for universities and CROs (Contract Research Organizations) conducting medicinal chemistry and heterocyclic compound research.

Basic Information

Product Name	Ethyl 3-(4-Bromophenyl)-1H-Pyrazole-5-Carboxylate
CAS No.	948292-48-6
Molecular Formula	C12H11BrN2O2
Molecular Weight	295.13 g/mol
Synonyms	Ethyl 5-(4-Bromophenyl)-1H-pyrazole-3-carboxylate; 3-(4-Bromophenyl)-1H-pyrazole-5-carboxylic acid ethyl ester; 1H-Pyrazole-5-carboxylic acid, 3-(4-bromophenyl)-, ethyl ester; Ethyl 3-(p-bromophenyl)-1H-pyrazole-5-carboxylate; 948292-48-6; 4-Bromophenyl pyrazole carboxylate ethyl ester
EINECS	Contact for details

Quality Control

Our Ethyl 3-(4-Bromophenyl)-1H-Pyrazole-5-Carboxylate 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, ensuring full traceability and compliance with your research or production requirements.

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 incompatible materials. This product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
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.