Description

2-Methylene-3-Oxocyclopentane-1-Carboxylic Acid is a versatile and reactive cyclopentane derivative that serves as a key synthetic intermediate in advanced organic chemistry. Its unique structure, featuring both a methylene group and a carboxylic acid on a cyclopentanone ring, makes it a valuable building block for constructing complex molecular architectures. This compound is primarily utilized by research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries for the synthesis of novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those with cyclopentane-based core structures for therapeutic applications.
• Agrochemical Synthesis: Used in the research and development of new pesticides, herbicides, and plant growth regulators requiring specific cyclic frameworks.
• Fine Chemical Production: Serves as a specialized building block for creating complex flavors, fragrances, and advanced material precursors.
• Academic & Industrial Research: A valuable reagent in methodological development and exploratory chemistry for constructing fused or bridged ring systems.
• Chemical Derivatization: The reactive methylene and carboxylic acid groups allow for diverse functionalization, enabling the creation of custom chemical libraries.

Basic Information

Product Name	2-Methylene-3-Oxocyclopentane-1-Carboxylic Acid
CAS No.	69274-56-2
Molecular Formula	C7H8O3
Molecular Weight	140.14 g/mol
Synonyms	2-Methylene-3-oxocyclopentane-1-carboxylic acid; 3-Oxocyclopent-1-ene-1-carboxylic acid, 2-methylene-; 1-Cyclopentene-1-carboxylic acid, 2-methylene-3-oxo-; 2-Methylen-3-oxocyclopentan-1-carbonsäure (German); Acide 2-méthylène-3-oxocyclopentane-1-carboxylique (French); 2-Methylidene-3-oxocyclopentane-1-carboxylic acid; Cyclopentanone derivative intermediate
EINECS	Contact for details

Quality Control

Our 2-Methylene-3-Oxocyclopentane-1-Carboxylic Acid is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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