Description

β-Oxo-Cyclopentanepropanoic Acid Methyl Ester is a versatile organic ester and a key synthetic intermediate in fine chemical manufacturing. Its reactive β-keto ester functionality makes it a valuable building block for constructing complex molecular architectures. This compound is primarily sought after by research and development laboratories and production facilities in the pharmaceutical and agrochemical sectors for synthesizing active ingredients and novel compounds.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those containing cyclopentane or modified steroid-like frameworks.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators, leveraging its reactivity to form heterocyclic compounds.
• Fine Chemical Production: Serves as a building block for fragrances, flavors, and specialty chemicals requiring specific cyclic structures.
• Academic & Industrial Research: Employed in organic synthesis research for developing new methodologies and creating novel chemical entities for screening.
• Material Science Precursor: Can be utilized in the synthesis of organic ligands or monomers for advanced polymeric materials.

Basic Information

Product Name	β-Oxo-Cyclopentanepropanoic Acid Methyl Ester
CAS No.	64670-14-0
Molecular Formula	C9H12O3
Molecular Weight	168.19 g/mol
Synonyms	2-Oxocyclopentanepropanoic Acid Methyl Ester; Methyl 3-(2-Oxocyclopentyl)propanoate; Methyl 2-Oxocyclopentanepropionate; 3-(2-Oxocyclopentyl)propionic Acid Methyl Ester; Cyclopentanepropanoic Acid, 2-Oxo-, Methyl Ester; Methyl β-Oxocyclopentanepropionate
EINECS	Contact for details

Quality Control

Our β-Oxo-Cyclopentanepropanoic Acid Methyl Ester is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with key parameters including assay, impurity profile, and physical characteristics, supporting compliance with cGMP and ISO standards where required.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong bases and incompatible materials. For long-term storage under inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
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.