Description

1-Methyl-3-Oxo-Cyclopentanecarboxylic Acid Methyl Ester is a versatile cyclic keto ester that serves as a key chiral building block and intermediate in advanced organic synthesis. Its value lies in its structural framework, which is highly amenable to further chemical transformations, enabling the construction of complex molecules. This compound is primarily needed by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and fragrance industries for developing active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: A crucial chiral synthon for the synthesis of active pharmaceutical ingredients (APIs), particularly in prostaglandin and steroid analog research.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, leveraging its cyclic structure for bioactive molecule design.
• Fragrance and Flavor Industry: Serves as a precursor for musk-like odorants and complex flavor compounds due to its ester and ketone functionalities.
• Organic Synthesis Building Block: Employed in asymmetric synthesis, Michael additions, and ring-opening reactions to create novel chemical entities.
• Material Science Research: Investigated as a monomer or modifier in the development of specialized polymers and resins.

Basic Information

Product Name	1-Methyl-3-Oxo-Cyclopentanecarboxylic Acid Methyl Ester
CAS No.	32436-10-5
Molecular Formula	C9H14O3
Molecular Weight	170.21 g/mol
Synonyms	Methyl 1-Methyl-3-oxocyclopentanecarboxylate; 3-Oxo-1-methylcyclopentanecarboxylic Acid Methyl Ester; Methyl 3-Oxo-1-methylcyclopentanecarboxylate; 1-Methyl-3-oxocyclopentanecarboxylic acid methyl ester; Cyclopentanecarboxylic acid, 1-methyl-3-oxo-, methyl ester
EINECS	Contact for details

Quality Control

Our 1-Methyl-3-Oxo-Cyclopentanecarboxylic Acid Methyl Ester is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and batch-to-batch consistency suitable for sensitive synthesis applications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment.

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 heat, sparks, and open flames. The container should be kept tightly sealed to minimize exposure to moisture and air.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Specific Rotation (if chiral)	Contact for details

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