Description

1-Ethylpyrazole-5-Boronic Acid is a high-purity boronic acid derivative, a crucial building block in modern synthetic chemistry. Its primary value lies in enabling efficient carbon-carbon bond formation via the Suzuki-Miyaura cross-coupling reaction, a cornerstone of pharmaceutical and advanced material synthesis. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries developing novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A key synthon for constructing complex heterocyclic scaffolds in drug discovery and development programs.
• Agrochemical Synthesis: Used in the research and production of novel pesticides and herbicides requiring specific pyrazole-based structures.
• Material Science: Serves as a precursor for creating organic electronic materials, such as OLED (Organic Light-Emitting Diode) components and conductive polymers.
• Ligand Synthesis: Employed in the preparation of specialized ligands for catalysis and metal-organic frameworks (MOFs).
• Chemical Research: A versatile reagent in academic and industrial R&D for exploring new synthetic pathways and novel compound libraries.
• Scale-up Production: Suitable for process development and cGMP manufacturing of active pharmaceutical ingredients (APIs) and other fine chemicals.

Basic Information

Product Name	1-Ethylpyrazole-5-Boronic Acid
CAS No.	1095080-54-8
Molecular Formula	C7H11BN2O2
Molecular Weight	153.99 g/mol
Synonyms	5-(1-Ethyl-1H-pyrazol-5-yl)boronic acid; (1-Ethyl-1H-pyrazol-5-yl)boronic acid; 1-Ethyl-1H-pyrazole-5-boronic acid; 1-Ethyl-5-pyrazoleboronic acid; 1-Ethylpyrazole-5-boronic acid pinacol ester (common derivative); B-(1-Ethyl-1H-pyrazol-5-yl)boronic acid; 1-Ethyl-5-boronopyrazole
EINECS	Contact for details

Quality Control

Our 1-Ethylpyrazole-5-Boronic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with customer specifications and industry standards for fine chemical intermediates.

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). 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 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.