Description

1,4-Cyclopentadiene-1-Carboxylic Acid, Methyl Ester (9Ci) is a specialized organic compound belonging to the cyclopentadiene family, serving as a valuable building block in advanced chemical synthesis. Its unique strained-ring structure and functional groups make it a versatile intermediate for creating complex molecular architectures. This high-purity chemical is essential for research and development laboratories and production facilities in the pharmaceutical, agrochemical, and advanced materials sectors.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for compounds with complex ring systems.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, leveraging its reactive cyclopentadiene core.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in asymmetric catalysis and organometallic chemistry.
• Material Science Research: Employed in the development of organic electronic materials, polymers, and specialty coatings.
• Fine Chemical Production: Acts as a building block for synthesizing flavors, fragrances, and other high-value specialty chemicals.
• Academic & Industrial R&D: A critical reagent for methodological development in organic synthesis and chemical discovery programs.

Basic Information

Product Name	1,4-Cyclopentadiene-1-Carboxylic Acid, Methyl Ester (9Ci)
CAS No.	73223-48-0
Molecular Formula	C7H8O2
Molecular Weight	124.14 g/mol
Synonyms	Methyl 1,4-cyclopentadiene-1-carboxylate; 1-Carbomethoxy-1,4-cyclopentadiene; Methyl cyclopentadiene-1-carboxylate; 1,4-Cyclopentadiene-1-carboxylic acid methyl ester; 1-Methoxycarbonyl-1,4-cyclopentadiene
EINECS	Contact for details

Quality Control

Our 1,4-Cyclopentadiene-1-Carboxylic Acid, Methyl Ester is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing purity, identity, and impurity profiles. Our quality commitment supports applications requiring reliable and traceable raw materials for GMP and research purposes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to the reactive nature of the cyclopentadiene ring, prolonged storage should be under an inert atmosphere for optimal stability.

Specification

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

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