Description

1-Methylpyrazole-4-Boronic Acid,Hcl is a high-purity boronic acid derivative, a crucial building block in modern synthetic chemistry. Its value lies in enabling efficient and selective cross-coupling reactions, which are fundamental for constructing complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality intermediates for drug discovery and specialty chemical synthesis.

Application

• Pharmaceutical Intermediate: A key reagent in Suzuki-Miyaura cross-coupling reactions for synthesizing novel active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides requiring specific heterocyclic structures.
• Material Science Research: Serves as a precursor for creating functionalized polymers, organic electronic materials, and metal-organic frameworks (MOFs).
• Chemical Biology & Proteomics: Employed in the synthesis of molecular probes and inhibitors for studying enzyme function and biological pathways.
• Catalyst Ligand Development: Acts as a starting material for synthesizing novel ligands used in homogeneous catalysis.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs and research institutions for bespoke chemical synthesis projects.

Basic Information

Product Name	1-Methylpyrazole-4-Boronic Acid,Hcl
CAS No.	1026796-02-0
Molecular Formula	C4H8BN2O2 • HCl
Molecular Weight	166.40 g/mol (Free acid) / 202.86 g/mol (HCl salt)
Synonyms	1-Methyl-1H-pyrazole-4-boronic acid hydrochloride; 1-Methyl-4-pyrazoleboronic acid HCl; 4-Borono-1-methylpyrazole hydrochloride; (1-Methyl-1H-pyrazol-4-yl)boronic acid hydrochloride; 1-Methylpyrazole-4-boronic acid HCl salt; 1-Methyl-1H-pyrazole-4-boronic acid HCl salt; 1026796-02-0; 1-Methylpyrazol-4-ylboronic acid hydrochloride
EINECS	Contact for details

Quality Control

Every batch of 1-Methylpyrazole-4-Boronic Acid,Hcl is manufactured and tested under strict quality management systems. We provide comprehensive analytical data to ensure the material meets the high-purity standards required for sensitive cross-coupling applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each shipment to guarantee traceability and consistency for your R&D and production 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). Due to its hygroscopic nature, the container must be kept tightly sealed to exclude moisture. For long-term storage, consider using desiccants or storing under an inert atmosphere.

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%
Heavy Metals	≤ 20 ppm

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