Description

(1-Cyclopropyl-1H-Pyrazol-5-Yl)Boronic Acid is a high-value boronic acid derivative, a crucial building block in modern synthetic chemistry. Its core value lies in enabling the efficient construction of complex molecular architectures through reliable cross-coupling reactions. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors, where precision and purity are paramount for developing new active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: A key reagent in Suzuki-Miyaura cross-coupling reactions for synthesizing novel drug candidates, particularly in kinase inhibitor and antiviral research.
• Agrochemical Synthesis: Used to create advanced active ingredients for crop protection products, leveraging its pyrazole and cyclopropyl motifs.
• Material Science Research: Serves as a precursor for constructing organic frameworks, polymers, and liquid crystals with specific electronic or structural properties.
• Chemical Biology Probes: Employed in the development of molecular probes and sensors due to its specific reactivity and potential for bioconjugation.
• Process Chemistry & Scale-up: Supports route scouting and optimization for the commercial production of fine chemicals and active pharmaceutical ingredients (APIs).

Basic Information

Product Name	(1-Cyclopropyl-1H-Pyrazol-5-Yl)Boronic Acid
CAS No.	1537208-26-6
Molecular Formula	C6H9BN2O2
Molecular Weight	151.96 g/mol
Synonyms	5-(1-Cyclopropyl-1H-pyrazol-5-yl)boronic acid; (1-Cyclopropyl-1H-pyrazol-5-yl)boronic acid; 1-Cyclopropyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole; 1-Cyclopropyl-1H-pyrazole-5-boronic acid; 1-Cyclopropyl-5-pyrazolylboronic acid; Cyclopropylpyrazole boronic acid; 1537208-26-6
EINECS	Contact for details

Quality Control

Our (1-Cyclopropyl-1H-Pyrazol-5-Yl)Boronic Acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and batch-to-batch consistency suitable for demanding research and development applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment.

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 (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥95% (Typical: 97-99%)
Water Content (KF)	≤1.0%

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