Description

1,3-Cyclopentadiene-1-Carboxylicacid,5-Oxo-,Ethylester(9Ci) is a specialized organic ester building block with a reactive cyclopentadiene core, offering a versatile platform for advanced chemical synthesis. Its unique structure makes it a valuable intermediate for constructing complex molecular architectures in pharmaceutical and agrochemical research. This high-purity compound is essential for R&D chemists and process development scientists working on novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those with complex polycyclic frameworks.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides requiring specific stereochemistry.
• Fine Chemical Production: Serves as a building block for specialty chemicals, flavors, and fragrances.
• Material Science Research: Investigated as a monomer or precursor for novel polymers and advanced organic materials.
• Academic & Industrial R&D: Employed in methodological studies, catalysis research, and the development of new synthetic routes.

Basic Information

Product Name	1,3-Cyclopentadiene-1-Carboxylicacid,5-Oxo-,Ethylester(9Ci)
CAS No.	500900-35-6
Molecular Formula	C9H10O3
Molecular Weight	166.17 g/mol
Synonyms	5-Oxo-1,3-cyclopentadiene-1-carboxylic acid ethyl ester; Ethyl 5-oxocyclopenta-1,3-diene-1-carboxylate; 1-Carbethoxy-2,4-cyclopentadien-1-one; 1-Ethoxycarbonyl-2,4-cyclopentadien-1-one; 2,4-Cyclopentadien-1-one, 1-(ethoxycarbonyl)-; 1,3-Cyclopentadiene-1-carboxylic acid, 5-oxo-, ethyl ester
EINECS	Contact for details

Quality Control

Our 1,3-Cyclopentadiene-1-Carboxylicacid,5-Oxo-,Ethylester(9Ci) is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity for research and development applications. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality management system is designed to meet the stringent requirements of GMP and ISO standards for fine chemical intermediates.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. This material is moisture-sensitive; ensure containers are kept tightly sealed to prevent degradation.

Specification

Item	Specification
Appearance	Light yellow to yellow liquid or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
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.