Description

α-Methyl-2-Oxocyclopentanepropionic Acid Methyl Ester is a versatile and high-purity chemical intermediate essential for advanced organic synthesis. Its unique cyclic ketone ester structure makes it a valuable building block for constructing complex molecular architectures. This compound is primarily sought after by research institutions and manufacturers in the pharmaceutical and fine chemical industries for developing active pharmaceutical ingredients (APIs) and specialty compounds.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs), particularly those with cyclic or constrained structures.
• Fine Chemical Synthesis: Serves as a crucial building block for creating specialty chemicals, flavors, fragrances, and advanced materials.
• Agrochemical Research: Used in the development and research of novel pesticides and herbicides due to its reactive ester and ketone functionalities.
• Academic & Industrial R&D: Employed in organic chemistry research for method development, catalysis studies, and the construction of novel heterocyclic compounds.
• Peptidomimetics & Bioactive Molecule Design: Its structure is applicable in designing peptide analogs and other bioactive molecules that mimic natural substrates.

Basic Information

Product Name	α-Methyl-2-Oxocyclopentanepropionic Acid Methyl Ester
CAS No.	14128-60-0
Molecular Formula	C10H16O3
Molecular Weight	184.23 g/mol
Synonyms	Methyl 3-(2-methyl-5-oxocyclopentyl)propanoate; Methyl 3-(2-methyl-5-oxocyclopentyl)propionate; 2-Methyl-5-oxocyclopentanepropanoic acid methyl ester; α-Methyl-2-oxocyclopentanepropanoic acid methyl ester; Cyclopentanepropanoic acid, 2-methyl-5-oxo-, methyl ester; Methyl α-methyl-2-oxocyclopentanepropionate
EINECS	Contact for details

Quality Control

We maintain stringent quality control protocols for all our chemical intermediates. Production of α-Methyl-2-Oxocypclopentanepropionic Acid Methyl Ester adheres to current Good Manufacturing Practices (cGMP) where applicable, ensuring batch-to-batch consistency and reliability. Each lot is analyzed using advanced techniques including GC, HPLC, and NMR to verify identity and purity. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every 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 flame. The container should be kept tightly sealed when not in use to prevent moisture absorption and potential degradation.

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%
Specific Rotation (if applicable)	Contact for details

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