Description

Ethyl 4-Bromo-3-Methoxybut-2-Enoate is a high-purity, versatile brominated ester building block essential for advanced organic synthesis. This compound is valued for its reactive bromine and alkene functionalities, enabling efficient carbon-carbon and carbon-heteroatom bond formation. It is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules containing functionalized butenoate scaffolds.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Material Science Precursor: Serves as a monomer or cross-linking agent in the development of specialized polymers and functional materials.
• Organic Synthesis Building Block: Employed in Heck-type coupling reactions, Michael additions, and nucleophilic substitution reactions to introduce bromo-alkene motifs.
• Chemical Research: A valuable reagent in academic and industrial R&D laboratories for methodology development and exploring new chemical spaces.
• Fine Chemical Production: Integral to the multi-step synthesis of complex fragrance, flavor, and dye intermediates.

Basic Information

Product Name	Ethyl 4-Bromo-3-Methoxybut-2-Enoate
CAS No.	1116-51-4
Molecular Formula	C7H11BrO3
Molecular Weight	223.07 g/mol
Synonyms	Ethyl 4-Bromo-3-methoxy-2-butenoate; 4-Bromo-3-methoxy-2-butenoic Acid Ethyl Ester; 2-Butenoic acid, 4-bromo-3-methoxy-, ethyl ester; Ethyl (E)-4-bromo-3-methoxybut-2-enoate; Ethyl (Z)-4-bromo-3-methoxybut-2-enoate; 3-Methoxy-4-bromo-2-butenoic acid ethyl ester; 1116-51-4; NSC 163044
EINECS	Contact for details

Quality Control

Our Ethyl 4-Bromo-3-Methoxybut-2-Enoate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each shipment to guarantee compliance with your research and production requirements.

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). Keep away from strong bases and reducing agents. For long-term storage, consider storing under an inert atmosphere.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
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.