Description

Ethyl 4-Chloro-3-Ethoxy-2-Butenoate is a high-purity, versatile chemical intermediate featuring a reactive α,β-unsaturated ester structure. This compound is valued for its role in facilitating complex organic syntheses, particularly in the construction of heterocyclic frameworks and functionalized molecules. It is an essential building block for researchers and manufacturers in the pharmaceutical and agrochemical industries seeking to develop new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, especially those containing heterocyclic structures like pyridines and pyrroles.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, leveraging its reactive sites for molecular diversification.
• Fine Chemical Production: Serves as a versatile building block for creating complex esters, acids, and other specialty organic compounds.
• Research & Development: A valuable tool in academic and industrial R&D for methodology development and exploring new chemical spaces.
• Chemical Synthesis: Employed in Diels-Alder reactions, Michael additions, and other carbon-carbon bond-forming transformations.

Basic Information

Product Name	Ethyl 4-Chloro-3-Ethoxy-2-Butenoate
CAS No.	32809-81-7
Molecular Formula	C8H13ClO3
Molecular Weight	192.64 g/mol
Synonyms	Ethyl (E)-4-Chloro-3-ethoxybut-2-enoate; 2-Butenoic acid, 4-chloro-3-ethoxy-, ethyl ester; 4-Chloro-3-ethoxy-2-butenoic acid ethyl ester; Ethyl 4-chloro-3-ethoxybut-2-enoate; Ethyl α-chloro-β-ethoxycrotonate; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our Ethyl 4-Chloro-3-Ethoxy-2-Butenoate is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for synthetic applications. A Certificate of Analysis (COA) detailing specific results for purity, identity, and impurities is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is light-sensitive and should be stored away from direct light. It is also easily oxidized; for long-term storage, consider maintaining under an inert atmosphere such as nitrogen.

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.