Description

1-(1-Ethoxyethyl)-4-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-1H-Pyrazole is a high-value, advanced pharmaceutical intermediate and building block. This compound matters for its role as a key synthon in modern cross-coupling reactions, enabling the precise construction of complex molecules. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for synthesizing novel active ingredients and functional materials.

Application

• Suzuki-Miyaura Cross-Coupling Reactions: A critical boron-containing reagent for forming carbon-carbon bonds in the synthesis of complex heterocycles and biaryl structures.
• Pharmaceutical Intermediate: Used in the research and development of new drug candidates, particularly those containing pyrazole cores with potential biological activity.
• Agrochemical Synthesis: Serves as a building block for creating novel pesticides, herbicides, and fungicides.
• Material Science Research: Employed in the development of organic electronic materials, such as OLEDs and semiconductors, where precise molecular architecture is required.
• Chemical Biology Probes: Useful for creating tagged molecules or probes for studying biological pathways and target engagement.
• Process Chemistry & Scale-Up: Provides a reliable and well-defined starting point for optimizing synthetic routes from laboratory to pilot plant scale.

Basic Information

Product Name	1-(1-Ethoxyethyl)-4-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-1H-Pyrazole
CAS No.	1029716-44-6
Molecular Formula	C13H23BN2O3
Molecular Weight	266.15 g/mol
Synonyms	4-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-1-(1-ethoxyethyl)-1H-pyrazole; 1-(1-Ethoxyethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole; 1H-Pyrazole, 1-(1-ethoxyethyl)-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-; 1029716-44-6; 1-(1-Ethoxyethyl)-4-(pinacolatoboryl)-1H-pyrazole; 4-Pinacolatoboryl-1-(1-ethoxyethyl)pyrazole
EINECS	Contact for details

Quality Control

Every batch of 1-(1-Ethoxyethyl)-4-(4,4,5,5-Tetramethyl-1,3,2-Dioxaborolan-2-Yl)-1H-Pyrazole is produced and tested under strict quality management protocols. Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store under an inert atmosphere (e.g., nitrogen or argon) at 2-8°C in a cool, dry place. This material is hygroscopic (moisture-sensitive) and easily oxidized; prolonged exposure to air or moisture must be avoided to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white solid
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.