Description

3,5-Dimethylpyrazole-4-Boronic Acid is a versatile and highly valuable organoboron building block, specifically a pyrazole-substituted boronic acid. This compound is critical for facilitating Suzuki-Miyaura cross-coupling reactions, a cornerstone methodology in modern synthetic chemistry for constructing complex molecules. It is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require precise, reliable intermediates for drug discovery, ligand synthesis, and the development of functional organic compounds.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for creating novel heterocyclic compounds with potential therapeutic activity.
• Agrochemical Synthesis: Used in the research and production of new pesticides, herbicides, and fungicides, enabling the introduction of the pyrazole moiety into target molecules.
• Material Science: Serves as a precursor for creating organic ligands used in catalysis, metal-organic frameworks (MOFs), and other functional polymeric materials.
• Chemical Research & Development: An indispensable reagent in academic and industrial R&D labs for exploring new carbon-carbon bond-forming reactions and synthesizing complex molecular architectures.
• Ligand Synthesis for Catalysis: Employed to fabricate specialized pyrazole-based ligands for transition metal catalysts, enhancing reaction selectivity and efficiency.

Basic Information

Item	Detail
Product Name	3,5-Dimethylpyrazole-4-Boronic Acid
CAS No.	851524-99-7
Molecular Formula	C5H9BN2O2
Molecular Weight	139.95 g/mol
Synonyms	4-Borono-3,5-dimethyl-1H-pyrazole; (3,5-Dimethyl-1H-pyrazol-4-yl)boronic acid; 3,5-Dimethyl-1H-pyrazole-4-boronic acid; 3,5-Dimethyl-4-pyrazoleboronic acid; 4-(3,5-Dimethyl-1H-pyrazol-4-yl)boronic acid; 3,5-Dimethylpyrazole-4-boronic acid pinacol ester (common derivative); 3,5-Dimethyl-4-boronopyrazole
EINECS	Contact for details

Quality Control

Our 3,5-Dimethylpyrazole-4-Boronic Acid is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR for structural confirmation, and Karl Fischer titration for moisture content, to ensure it meets the high standards required for sensitive coupling reactions. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment and is available upon request.

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). Due to its hygroscopic nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%

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