Description

3,5-Dimethyl-1H-Pyrazole-4-Boronic Acid, Hydrochloride is a high-purity boronic acid derivative, a crucial building block in modern synthetic chemistry. Its primary value lies in enabling efficient Suzuki-Miyaura cross-coupling reactions, a cornerstone methodology for constructing complex carbon-carbon bonds. This advanced intermediate is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly in the development of active ingredients and novel chemical entities.

Application

• Pharmaceutical Intermediate: A key synthon for constructing heterocyclic cores and complex molecular scaffolds in drug discovery and development programs.
• Agrochemical Synthesis: Used in the research and production of advanced crop protection agents and herbicides.
• Material Science Research: Serves as a precursor for creating novel organic electronic materials and functional polymers.
• Ligand and Catalyst Development: Employed in the synthesis of specialized ligands for transition metal catalysis.
• Chemical Biology Probes: Utilized for labeling and modifying biomolecules in diagnostic and research applications.
• Academic & Industrial R&D: A fundamental reagent for methodological development in synthetic organic chemistry laboratories worldwide.

Basic Information

Product Name	3,5-Dimethyl-1H-Pyrazole-4-Boronic Acid, Hydrochloride
CAS No.	1162262-39-6
Molecular Formula	C5H10BN3O2 • HCl
Molecular Weight	191.43 g/mol (Free acid)
Synonyms	3,5-Dimethyl-1H-pyrazole-4-boronic acid hydrochloride; (3,5-Dimethyl-1H-pyrazol-4-yl)boronic acid hydrochloride; 4-Borono-3,5-dimethyl-1H-pyrazole hydrochloride; 3,5-Dimethyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole hydrochloride (protected form precursor); 3,5-Dimethylpyrazole-4-boronic acid HCl salt
EINECS	Contact for details

Quality Control

Our 3,5-Dimethyl-1H-Pyrazole-4-Boronic Acid, Hydrochloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to support your quality assurance and regulatory needs.

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). This compound is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) for long-term storage to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Heavy Metals	≤ 20 ppm

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