Description

5-(1-Hydroxyethylidene)-2-Methyl-1,3-Cyclopentadiene-1,3-Dicarboxylic Acid Dimethyl Ester is a specialized organic intermediate with a unique functionalized cyclopentadiene structure. This compound matters for its role as a versatile building block in advanced organic synthesis, enabling the construction of complex molecular architectures. It is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for creating novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and plant growth regulators.
• Material Science Research: Acts as a monomer or functional component in the development of specialty polymers and advanced organic materials.
• Fine Chemical Production: Employed in custom synthesis and contract manufacturing for high-value, low-volume specialty chemicals.
• Academic & Industrial R&D: A valuable reagent for methodological studies in organic chemistry and catalysis.

Basic Information

Product Name	5-(1-Hydroxyethylidene)-2-Methyl-1,3-Cyclopentadiene-1,3-Dicarboxylic Acid Dimethyl Ester
CAS No.	14374-51-7
Molecular Formula	C13H16O5
Molecular Weight	252.26 g/mol
Synonyms	Dimethyl 5-(1-Hydroxyethylidene)-2-methyl-1,3-cyclopentadiene-1,3-dicarboxylate; 1,3-Cyclopentadiene-1,3-dicarboxylic acid, 5-(1-hydroxyethylidene)-2-methyl-, dimethyl ester; 2-Methyl-5-(1-hydroxyethylidene)-1,3-cyclopentadiene-1,3-dicarboxylic acid dimethyl ester; Hydroxyethylidene methyl cyclopentadiene dicarboxylate dimethyl ester
EINECS	Contact for details

Quality Control

Our 5-(1-Hydroxyethylidene)-2-Methyl-1,3-Cyclopentadiene-1,3-Dicarboxylic Acid Dimethyl Ester is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specific results for all critical parameters 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, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents, strong acids, and strong bases. For long-term storage, consider an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
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.