Description

5-Bromo-1-p-Tolyl-1H-Pyrazole-4-Carboxylic Acid Ethyl Ester is a high-value pyrazole derivative, a crucial synthetic intermediate in modern organic chemistry. Its core value lies in its versatile bromine and ester functional groups, which enable precise molecular construction for advanced applications. This compound is essential for research and development chemists in the pharmaceutical and agrochemical industries, particularly for the synthesis of novel active ingredients and complex heterocyclic scaffolds.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of potential drug candidates, especially those targeting kinase inhibition or other biological pathways.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Material Science: Serves as a precursor for functional organic materials, including liquid crystals, organic semiconductors, and metal-organic frameworks (MOFs).
• Chemical Synthesis: Utilized in cross-coupling reactions (e.g., Suzuki, Sonogashira) and as a scaffold for constructing more complex polycyclic structures in academic and industrial R&D.
• Bioconjugation & Probe Development: The reactive bromine site allows for attachment to biomolecules or fluorescent tags, useful in creating diagnostic probes.

Basic Information

Product Name	5-Bromo-1-p-Tolyl-1H-Pyrazole-4-Carboxylic Acid Ethyl Ester
CAS No.	959578-19-9
Molecular Formula	C₁₄H₁₅BrN₂O₂
Molecular Weight	323.19 g/mol
Synonyms	Ethyl 5-Bromo-1-(4-methylphenyl)-1H-pyrazole-4-carboxylate; 1-(4-Methylphenyl)-5-bromo-1H-pyrazole-4-carboxylic Acid Ethyl Ester; 5-Bromo-1-(p-tolyl)-1H-pyrazole-4-carboxylic Acid Ethyl Ester; 5-Bromo-1-(4-tolyl)-1H-pyrazole-4-carboxylate Ethyl Ester; 959578-19-9; Ethyl 5-bromo-1-p-tolylpyrazole-4-carboxylate
EINECS	Contact for details

Quality Control

Our production of 5-Bromo-1-p-Tolyl-1H-Pyrazole-4-Carboxylic Acid Ethyl Ester adheres to stringent in-process controls to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles. Our quality management system is designed to meet the rigorous standards required for pharmaceutical and advanced chemical research applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (typically 15-25°C). Keep away from heat and incompatible materials. Due to its light-sensitive nature, containers should be kept in opaque packaging or amber glass.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
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.