Description

Pentanoic Acid, 2-Methyl-4-Oxo-, Methyl Ester, (2S)- (9Ci) is a chiral, high-purity chemical intermediate characterized by its specific stereochemistry and functional groups. This compound is valued for its role in the synthesis of complex molecules where precise molecular architecture is critical for biological activity or material properties. It is primarily required by research institutions and manufacturers in the pharmaceutical and fine chemical sectors for developing active pharmaceutical ingredients (APIs), agrochemicals, and advanced materials.

Application

• Pharmaceutical Intermediate: A key chiral building block for the synthesis of novel active pharmaceutical ingredients (APIs), particularly in therapeutic areas requiring stereochemical purity.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides where specific isomer activity is desired.
• Fine Chemical Production: Serves as a precursor in the manufacture of specialty chemicals, flavors, and fragrances.
• Academic & Industrial Research: Employed in chemical research for method development, catalysis studies, and exploring new synthetic pathways.
• Material Science: Potential monomer or modifier in the development of specialized polymers with tailored properties.

Basic Information

Product Name	Pentanoic Acid, 2-Methyl-4-Oxo-, Methyl Ester, (2S)- (9Ci)
CAS No.	440084-24-2
Molecular Formula	C7H12O3
Molecular Weight	144.17 g/mol
Synonyms	(2S)-2-Methyl-4-oxopentanoic acid methyl ester; Methyl (2S)-2-methyl-4-oxopentanoate; (S)-2-Methyl-4-oxopentanoic acid methyl ester; Levulinic acid, 2-methyl-, methyl ester, (S)-; Methyl (S)-2-methyl-4-oxovalerate; 2-Methyl-4-oxopentanoic acid methyl ester, (S)-; (S)-Methyl 2-methyl-4-oxopentanoate
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. Certificates of Analysis (COA) are available upon request, detailing key parameters such as chiral purity (enantiomeric excess), chemical purity (by HPLC/GC), and identity confirmation. We adhere to strict in-process controls to guarantee batch-to-batch consistency for your critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as strong oxidizing agents. This material is moisture-sensitive; keep the container tightly sealed under an inert atmosphere if specified.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC/GC)	≥ 97.0%
Enantiomeric Excess (Chiral HPLC)	≥ 98.0%
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.