Description

2-Fluoro-3-Methyl-2-Butenoic Acid Ethyl Ester is a high-value fluorinated building block essential for advanced organic synthesis. This compound matters for its unique reactivity profile, enabling the efficient introduction of fluorine and an α,β-unsaturated ester moiety into target molecules. It is primarily needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for creating novel active ingredients and intermediates.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly for incorporating fluorinated motifs to modulate bioavailability and metabolic stability.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where the fluorine atom can enhance biological activity and environmental persistence.
• Material Science Research: Serves as a monomer or precursor for developing specialty polymers and advanced materials with tailored properties.
• Organic Synthesis Building Block: Employed in various name reactions (e.g., Michael additions, cyclizations) to construct complex, fluorinated organic frameworks in academic and industrial R&D settings.
• Fluorine Chemistry Studies: A valuable reagent for investigating new fluorination methodologies and reaction mechanisms in synthetic chemistry.

Basic Information

Product Name	2-Fluoro-3-Methyl-2-Butenoic Acid Ethyl Ester
CAS No.	685-89-2
Molecular Formula	C7H11FO2
Molecular Weight	146.16 g/mol
Synonyms	Ethyl 2-Fluoro-3-methylbut-2-enoate; 2-Butenoic acid, 2-fluoro-3-methyl-, ethyl ester; Ethyl (Z)-2-fluoro-3-methyl-2-butenoate; 3-Methyl-2-fluorobut-2-enoic acid ethyl ester; 2-Fluoro-3-methylcrotonic acid ethyl ester; Ethyl α-fluoro-β-methylcrotonate; Fluoromethylcrotonic acid ethyl ester
EINECS	Contact for details

Quality Control

Our 2-Fluoro-3-Methyl-2-Butenoic Acid Ethyl Ester is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including GC, HPLC, and NMR, to ensure high purity and consistent performance for your critical synthesis work. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

Storage

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

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC)	≥ 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.