Description

(E)-4,4-Dimethoxy-2-Pentenedioic Acid Dimethyl Ester is a high-purity, versatile chemical intermediate characterized by its unique α,β-unsaturated diester structure with dimethoxy substitution. This compound matters for its role as a key building block in sophisticated organic synthesis, enabling the construction of complex molecular frameworks. It is primarily needed by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and advanced materials sectors for developing novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Serves as a critical precursor in the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs), particularly those requiring specific stereochemistry and functional groups.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators, leveraging its reactive diene and ester functionalities.
• Organic Synthesis Building Block: Acts as a versatile Michael acceptor or dienophile in cycloaddition reactions (e.g., Diels-Alder) for constructing cyclic and polycyclic compounds in academic and industrial labs.
• Material Science Research: Employed in the development of specialty polymers, liquid crystals, or organic electronic materials due to its conjugated system and potential for further functionalization.
• Flavor & Fragrance Industry: Potential intermediate for synthesizing specific ester-based aroma chemicals, subject to compliance and purity requirements.

Basic Information

Product Name	(E)-4,4-Dimethoxy-2-Pentenedioic Acid Dimethyl Ester
CAS No.	13131-26-5
Molecular Formula	C11H16O6
Molecular Weight	244.24 g/mol
Synonyms	Dimethyl (E)-4,4-dimethoxy-2-pentenedioate; 2-Pentenedioic acid, 4,4-dimethoxy-, dimethyl ester, (E)-; (E)-Dimethyl 4,4-dimethoxy-2-pentenedioate; 4,4-Dimethoxy-2-pentenedioic acid dimethyl ester; (2E)-4,4-Dimethoxy-2-pentenedioic acid dimethyl ester; NSC 163044; AI3-52266
EINECS	Contact for details

Quality Control

Our (E)-4,4-Dimethoxy-2-Pentenedioic Acid Dimethyl Ester is produced and handled under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from heat sources and incompatible materials such as strong oxidizing agents, strong acids, and strong bases. For long-term storage, consider an inert atmosphere to preserve stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0% (Area %)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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