Description

(E)-4,4-Dimethoxy-But-2-Enoic Acid Ethyl Ester is a high-purity, versatile α,β-unsaturated ester building block. This compound is valued for its conjugated system and protected carbonyl functionality, making it a critical intermediate in complex organic syntheses. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors for developing active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: A key synthon in the synthesis of complex drug molecules, including potential antiviral and anticancer agents.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, leveraging its reactive enoate structure.
• Fine Chemical Production: Serves as a versatile building block for fragrances, flavors, and specialty polymers.
• Academic & R&D: Employed in research laboratories for methodological development and the exploration of new chemical entities.
• Material Science: A precursor in the development of functional organic materials and liquid crystals.

Basic Information

Product Name	(E)-4,4-Dimethoxy-But-2-Enoic Acid Ethyl Ester
CAS No.	114736-26-4
Molecular Formula	C8H14O4
Molecular Weight	174.19 g/mol
Synonyms	Ethyl (E)-4,4-Dimethoxybut-2-enoate; Ethyl 4,4-Dimethoxy-2-butenoate; (E)-Ethyl 4,4-Dimethoxy-2-butenoate; 2-Butenoic acid, 4,4-dimethoxy-, ethyl ester, (E)-; 4,4-Dimethoxy-2-butenoic acid ethyl ester; Ethyl (E)-4,4-dimethoxycrotonate; 114736-26-4
EINECS	Contact for details

Quality Control

Our (E)-4,4-Dimethoxy-But-2-Enoic Acid Ethyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and isometric integrity. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and compliance with your research or production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Isomeric Purity (GC/HPLC)	≥ 95.0% (E-isomer)
Water Content (KF)	≤ 0.5%

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