Description

Ethyl-4-Bromo-3-Methylbut-2-Enoate is a high-purity, versatile brominated ester building block essential for advanced organic synthesis. This compound is valued for its reactive alkene and bromine functionalities, enabling precise molecular construction in complex chemical pathways. It is primarily sought by R&D chemists and process development teams in the pharmaceutical, agrochemical, and specialty chemical industries for applications such as API intermediate synthesis and novel material development.

Application

• Pharmaceutical Intermediate: A key synthon in the multi-step synthesis of active pharmaceutical ingredients (APIs), particularly for introducing specific carbon frameworks.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized phosphine ligands or metal-organic catalysts.
• Polymer Chemistry: Acts as a functional monomer or cross-linking agent in the production of specialty polymers with tailored properties.
• Material Science Research: Employed in the synthesis of organic electronic materials, liquid crystals, or advanced coatings.
• Custom Synthesis and Contract Manufacturing: A critical starting material for custom synthesis projects and scale-up processes in fine chemical production.

Basic Information

Product Name	Ethyl-4-Bromo-3-Methylbut-2-Enoate
CAS No.	26918-14-9
Molecular Formula	C7H11BrO2
Molecular Weight	207.07 g/mol
Synonyms	Ethyl (E)-4-Bromo-3-methylbut-2-enoate; 4-Bromo-3-methyl-2-butenoic Acid Ethyl Ester; 2-Butenoic acid, 4-bromo-3-methyl-, ethyl ester; Ethyl 4-bromo-3-methylcrotonate; (E)-Ethyl 4-bromo-3-methylbut-2-enoate; 26918-14-9; Ethyl 4-bromo-3-methyl-2-butenoate
EINECS	Contact for details

Quality Control

Every batch of Ethyl-4-Bromo-3-Methylbut-2-Enoate is produced under strict quality management protocols. Our products undergo rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistency suitable for research and industrial synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

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 acids and incompatible organic solvents. For long-term storage, consider inert gas purging to maintain product integrity.

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.