Description

5-(1-Hydroxyethylidene)-2-Methyl-1,3-Cyclopentadiene-1-Carboxylic Acid Methyl Ester is a specialized cyclopentadiene derivative with a unique hydroxyethylidene functional group, serving as a versatile intermediate for advanced organic synthesis. This compound is valued for its ability to act as a key building block in the construction of complex molecular architectures, particularly in the pharmaceutical and agrochemical sectors. Industries requiring high-purity, custom chemical intermediates for research and development or process scale-up will find this product essential for their synthetic workflows.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds with complex polycyclic frameworks.
• Agrochemical Synthesis: Used in the research and development of advanced pesticides and herbicides, leveraging its reactive diene structure.
• Material Science Research: Serves as a monomer or functional additive in the development of specialty polymers and advanced organic materials.
• Fine Chemical Production: Employed as a building block for synthesizing flavors, fragrances, and other high-value specialty chemicals.
• Academic & Industrial R&D: A valuable reagent for methodological development in organic chemistry, including Diels-Alder and other cycloaddition reactions.

Basic Information

Product Name	5-(1-Hydroxyethylidene)-2-Methyl-1,3-Cyclopentadiene-1-Carboxylic Acid Methyl Ester
CAS No.	14374-52-8
Molecular Formula	C11H14O3
Molecular Weight	194.23 g/mol
Synonyms	Methyl 5-(1-Hydroxyethylidene)-2-methyl-1,3-cyclopentadiene-1-carboxylate; 2-Methyl-5-(1-hydroxyethylidene)-1,3-cyclopentadiene-1-carboxylic acid methyl ester; 1,3-Cyclopentadiene-1-carboxylic acid, 5-(1-hydroxyethylidene)-2-methyl-, methyl ester; Hydroxyethylidene methyl cyclopentadienecarboxylate
EINECS	Contact for details

Quality Control

Our 5-(1-Hydroxyethylidene)-2-Methyl-1,3-Cyclopentadiene-1-Carboxylic Acid Methyl Ester is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and can be tailored to meet specific customer or regulatory requirements.

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 heat, sparks, and open flames. This material may be light-sensitive; prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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