Description

3-Borono-4-Fluorobenzoic Acid Ethyl Ester is a high-value boronic acid ester derivative, serving as a critical synthetic intermediate in modern organic chemistry. Its core value lies in enabling the precise construction of complex molecules through versatile cross-coupling reactions. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors, where it is used to develop new active ingredients and functional compounds.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs) via Suzuki-Miyaura cross-coupling reactions.
• Agrochemical Research: Used in the development of novel herbicides, fungicides, and insecticides that require the incorporation of fluorinated aromatic systems.
• Ligand Synthesis: Serves as a precursor for creating specialized ligands used in catalysis and material science.
• Functional Material Development: Employed in the research and production of organic electronic materials, such as OLEDs and semiconductors.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying biological processes.
• Custom Synthesis & Contract Manufacturing: A vital starting material for custom synthesis projects and scale-up processes in fine chemical production.

Basic Information

Product Name	3-Borono-4-Fluorobenzoic Acid Ethyl Ester
CAS No.	874219-60-0
Molecular Formula	C9H10BFO4
Molecular Weight	212.0 g/mol
Synonyms	Ethyl 3-Borono-4-fluorobenzoate; 4-Fluoro-3-boronobenzoic Acid Ethyl Ester; Benzoic acid, 3-borono-4-fluoro-, ethyl ester; 3-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)-4-fluorobenzoic acid ethyl ester (protected form); 4-Fluoro-3-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoic acid ethyl ester; 3-Borono-4-fluorobenzoic acid ethyl ester; Ethyl 4-fluoro-3-boronobenzoate
EINECS	Contact for details

Quality Control

Our 3-Borono-4-Fluorobenzoic Acid Ethyl Ester is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and IR spectroscopy, to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Our quality system supports development from research to commercial scale, ensuring reliable supply for critical applications.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	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.