Description

1H-Pyrazole, 1-(1-Methylethyl)-4-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)- is a high-value, organoboron building block essential for modern synthetic chemistry. This compound matters because it serves as a critical intermediate in Suzuki-Miyaura cross-coupling reactions, enabling the efficient construction of complex molecular architectures. Pharmaceutical, agrochemical, and advanced materials researchers need this boronic ester for developing new active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates, particularly in medicinal chemistry programs.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging the pyrazole core's bioactivity.
• Material Science: Employed in the creation of advanced organic electronic materials, such as organic light-emitting diodes (OLEDs) and semiconductors.
• Chemical Research & Development: A versatile reagent for academic and industrial R&D labs exploring new C-C bond formation methodologies and heterocyclic chemistry.
• Ligand Synthesis: Serves as a precursor for creating specialized ligands used in catalysis and metal-organic frameworks (MOFs).

Basic Information

Product Name	1H-Pyrazole, 1-(1-Methylethyl)-4-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-
CAS No.	879487-10-2
Molecular Formula	C12H21BN2O2
Molecular Weight	236.12 g/mol
Synonyms	1-Isopropyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole; 4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-isopropyl-1H-pyrazole; 1H-Pyrazole, 1-(1-methylethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-; 1-Isopropyl-1H-pyrazole-4-boronic acid pinacol ester; 1-Isopropyl-4-(pinacolboranyl)-1H-pyrazole; 1-Isopropylpyrazole-4-boronic acid pinacol ester
EINECS	Contact for details

Quality Control

Our 1H-Pyrazole, 1-(1-Methylethyl)-4-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)- is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity for research and production use. Each lot is analyzed using advanced techniques including NMR and HPLC. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request 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 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 prevent degradation. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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