Description

Ethyl 5-Bromo-1-Methyl-1H-Pyrazole-4-Carboxylate is a high-purity brominated pyrazole derivative serving as a critical building block in advanced organic synthesis. This compound is valued for its reactive bromine substituent and ester functionality, enabling precise molecular construction. It is primarily utilized by research and development chemists and process scale-up teams in the pharmaceutical and agrochemical industries for creating novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those targeting central nervous system (CNS) disorders and metabolic diseases.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides, leveraging the pyrazole core's bioactivity.
• Material Science Research: Serves as a monomer or functionalizing agent in the development of specialty polymers and advanced organic materials.
• Chemical Biology & Proteomics: Employed as a scaffold or labeling reagent in the design of molecular probes and enzyme inhibitors for biochemical research.
• Custom Synthesis & Contract Manufacturing: An essential starting material for custom synthesis projects and scale-up production under cGMP or ISO standards.

Basic Information

Item	Detail
Product Name	Ethyl 5-Bromo-1-Methyl-1H-Pyrazole-4-Carboxylate
CAS No.	105486-72-4
Molecular Formula	C7H9BrN2O2
Molecular Weight	233.06 g/mol
Synonyms	5-Bromo-1-methyl-1H-pyrazole-4-carboxylic acid ethyl ester; Ethyl 5-bromo-1-methylpyrazole-4-carboxylate; 1-Methyl-5-bromo-1H-pyrazole-4-carboxylic acid ethyl ester; 4-Carbethoxy-5-bromo-1-methylpyrazole; 5-Bromo-1-methyl-4-ethoxycarbonylpyrazole; 105486-72-4; UNII-9J8F8Y6V8B
EINECS	Contact for details

Quality Control

Our Ethyl 5-Bromo-1-Methyl-1H-Pyrazole-4-Carboxylate is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, confirming compliance with client specifications and relevant industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.