Description

Propanedioic Acid, [(4-Hydroxy-3,5-Dimethoxyphenyl)Methylene]-, Diethyl Ester is a specialized organic compound belonging to the class of malonate esters with a syringaldehyde-derived moiety. This compound serves as a versatile chemical intermediate and building block for synthesizing more complex molecules in advanced research and development. It is primarily needed by pharmaceutical, agrochemical, and fine chemical manufacturers for applications requiring precise molecular architecture.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds targeting specific biological pathways.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Fine Chemical Production: Serves as a precursor for dyes, pigments, and advanced organic materials requiring specific functional groups.
• Academic & Industrial R&D: Employed in chemical research for constructing complex molecular frameworks and studying reaction mechanisms.
• Flavor & Fragrance Ingredient Synthesis: Potential intermediate for creating complex aroma chemicals due to its aromatic and ester functionalities.

Basic Information

Product Name	Propanedioic Acid, [(4-Hydroxy-3,5-Dimethoxyphenyl)Methylene]-, Diethyl Ester
CAS No.	491851-38-8
Molecular Formula	C16H20O7
Molecular Weight	324.33 g/mol
Synonyms	Diethyl (4-hydroxy-3,5-dimethoxybenzylidene)malonate; Diethyl 2-[(4-hydroxy-3,5-dimethoxyphenyl)methylene]propanedioate; Syringaldehyde Malonate Diethyl Ester; (4-Hydroxy-3,5-dimethoxybenzylidene)malonic Acid Diethyl Ester; Benzaldehyde, 4-hydroxy-3,5-dimethoxy-, (diethyl malonyl)hydrazone (related); Propanedioic acid, 2-[(4-hydroxy-3,5-dimethoxyphenyl)methylene]-, 1,3-diethyl ester
EINECS	Contact for details

Quality Control

Our Propanedioic Acid, [(4-Hydroxy-3,5-Dimethoxyphenyl)Methylene]-, Diethyl Ester is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications and test results are provided and 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 area at controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. Due to its ester and phenolic structure, it should be considered moisture-sensitive (hygroscopic).

Specification

Item	Specification
Appearance	Off-white to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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