Description

Methyl 4-Methyl-2-Oxocyclopentanecarboxylate is a versatile cyclic keto ester that serves as a key synthetic intermediate in advanced organic chemistry. Its value lies in its functionalized cyclopentane ring, which provides a crucial scaffold for constructing complex molecular architectures. This compound is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of active ingredients and novel compounds.

Application

• Pharmaceutical Intermediate: A critical building block for synthesizing prostaglandins, prostacyclins, and other bioactive molecules with cyclopentane cores.
• Agrochemical Synthesis: Used in the research and development of novel pesticides and herbicides, leveraging its reactive keto and ester functionalities.
• Flavor & Fragrance Chemistry: Serves as a precursor for creating musky or amber-like odorants and complex flavoring agents.
• Material Science Research: Employed in the development of specialty polymers and advanced organic materials requiring specific cyclic structures.
• Academic & Process Chemistry: A valuable reagent for methodological studies, asymmetric synthesis, and scaling novel reaction pathways.
• Fine Chemical Production: Integral to the multi-step synthesis of complex fine chemicals and custom-manufactured specialty compounds.

Basic Information

Product Name	Methyl 4-Methyl-2-Oxocyclopentanecarboxylate
CAS No.	4463-75-6
Molecular Formula	C8H12O3
Molecular Weight	156.18 g/mol
Synonyms	Methyl 4-methyl-2-oxocyclopentanecarboxylate; 4-Methyl-2-oxocyclopentanecarboxylic acid methyl ester; 2-Oxo-4-methylcyclopentanecarboxylic acid methyl ester; Methyl 4-methyl-2-oxocyclopentane-1-carboxylate; 4-Methyl-2-oxocyclopentane-1-carboxylic acid methyl ester; Methyl 4-methyl-2-oxo-1-cyclopentanecarboxylate; Cyclopentanecarboxylic acid, 4-methyl-2-oxo-, methyl ester
EINECS	Contact for details

Quality Control

Our Methyl 4-Methyl-2-Oxocyclopentanecarboxylate is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopy, to ensure high purity and batch-to-batch consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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. The container should be kept tightly sealed when not in use to minimize exposure to moisture.

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.