Description

B-(5-Methyl-1H-Pyrazol-3-Yl)Boronic Acid is a high-value boronic acid derivative and a versatile building block in modern synthetic chemistry. This compound is essential for facilitating the formation of carbon-carbon and carbon-heteroatom bonds, enabling the efficient construction of complex molecular architectures. It is primarily sought after by researchers and manufacturers in the pharmaceutical, agrochemical, and materials science industries for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key reagent in Suzuki-Miyaura cross-coupling reactions for synthesizing novel drug candidates, particularly in oncology and CNS therapeutic areas.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides, leveraging its role in creating heterocyclic scaffolds.
• Material Science Research: Serves as a precursor for creating organic electronic materials, such as those used in OLEDs and sensors.
• Chemical Biology & Proteomics: Employed in the synthesis of molecular probes and enzyme inhibitors for target identification and validation studies.
• Academic & Contract Research: A fundamental tool in academic laboratories and CROs (Contract Research Organizations) for methodological development and library synthesis.
• Catalyst & Ligand Development: Used to synthesize novel ligands for transition metal catalysts, enhancing reaction selectivity and efficiency.

Basic Information

Product Name	B-(5-Methyl-1H-Pyrazol-3-Yl)Boronic Acid
CAS No.	1163248-54-1
Molecular Formula	C4H7BN2O2
Molecular Weight	125.93 g/mol
Synonyms	(5-Methyl-1H-pyrazol-3-yl)boronic acid; 3-Borono-5-methyl-1H-pyrazole; 5-Methyl-1H-pyrazole-3-boronic acid; 5-Methyl-3-pyrazolylboronic acid; B-(5-Methyl-1H-pyrazol-3-yl)boronic acid; 5-Methyl-1H-3-pyrazoleboronic acid; (5-Methyl-1H-3-pyrazolyl)boronic acid
EINECS	Contact for details

Quality Control

Our B-(5-Methyl-1H-Pyrazol-3-Yl)Boronic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for research and commercial synthesis. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and compliance with your specifications.

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 nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. For long-term storage, consider using desiccants or storing under an inert atmosphere.

Specification

Item	Specification
Appearance	White to off-white powder
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.