Description

Ethyl 3-Ethynyl-4-Fluorobenzoate is a high-purity fluorinated aromatic building block featuring both an ethynyl and an ester functional group. This compound is critical for advanced organic synthesis, enabling the construction of complex molecular architectures through cross-coupling and cycloaddition reactions. It is primarily utilized by research institutions and pharmaceutical companies in the development of active pharmaceutical ingredients (APIs), agrochemicals, and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of novel drug candidates, particularly for kinase inhibitors and other small molecule therapeutics.
• Agrochemical Synthesis: Used in the creation of advanced herbicides and pesticides, leveraging the fluorine atom for enhanced biological activity and metabolic stability.
• Material Science Research: Serves as a monomer or precursor in the synthesis of specialty polymers, liquid crystals, and organic electronic materials.
• Chemical Biology Probes: Employed in click chemistry applications to label biomolecules or construct molecular probes for diagnostic and research purposes.
• Academic & Industrial R&D: A versatile reagent for methodology development in organic chemistry, including Sonogashira coupling and other palladium-catalyzed reactions.

Basic Information

Product Name	Ethyl 3-Ethynyl-4-Fluorobenzoate
CAS No.	1263284-56-5
Molecular Formula	C11H9FO2
Molecular Weight	192.19 g/mol
Synonyms	4-Fluoro-3-ethynylbenzoic acid ethyl ester; Ethyl 4-fluoro-3-ethynylbenzoate; 3-Ethynyl-4-fluorobenzoic acid ethyl ester; Benzoic acid, 3-ethynyl-4-fluoro-, ethyl ester; 1263284-56-5; Ethyl 3-ethynyl-4-fluorobenzoate
EINECS	Contact for details

Quality Control

Our Ethyl 3-Ethynyl-4-Fluorobenzoate is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, confirming compliance with customer specifications and relevant industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal 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%
Residue on Ignition	≤ 0.1%

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