Description

4-Ethyl-3-Fluorophenylboronic Acid is a versatile organoboron compound that serves as a critical building block in modern synthetic chemistry. Its value lies in enabling precise carbon-carbon bond formation, which is essential for constructing complex molecular architectures. This high-purity intermediate is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries for applications such as Suzuki-Miyaura cross-coupling reactions.

Application

• Pharmaceutical Intermediate: Key reagent in the synthesis of active pharmaceutical ingredients (APIs) and drug candidates via palladium-catalyzed cross-coupling reactions.
• Agrochemical Synthesis: Used to create novel herbicides, fungicides, and insecticides by introducing the ethyl-fluorophenyl moiety into target molecules.
• Liquid Crystal & OLED Materials: Acts as a building block for advanced electronic materials requiring specific fluorinated aromatic structures.
• Polymer Chemistry: Employed in the production of specialty polymers and functional materials with tailored properties.
• Chemical Research & Development: Essential tool for medicinal chemistry and process chemistry in exploring new chemical entities and optimizing synthetic routes.
• Custom Synthesis Services: Supplied to contract research and manufacturing organizations (CROs/CMOs) for client-specific projects.

Basic Information

Product Name	4-Ethyl-3-Fluorophenylboronic Acid
CAS No.	1318760-09-6
Molecular Formula	C8H10BFO2
Molecular Weight	167.98 g/mol
Synonyms	(4-Ethyl-3-fluorophenyl)boronic acid; 3-Fluoro-4-ethylbenzeneboronic acid; B-(4-Ethyl-3-fluorophenyl)boronic acid; 4-Ethyl-3-fluorobenzeneboronic acid; 1318760-09-6; Boronic acid, B-(4-ethyl-3-fluorophenyl)-; 3-Fluoro-4-ethylphenylboronic acid
EINECS	Contact for details

Quality Control

Our 4-Ethyl-3-Fluorophenylboronic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee compliance with your research and production specifications.

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 material is hygroscopic (moisture-sensitive) and should be handled 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 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.