Description

Pentanoic Acid, 3-Methyl-4-Oxo-, Methyl Ester, (S)- (9Ci) is a high-purity chiral building block and synthetic intermediate of significant value in advanced organic synthesis. Its defined stereochemistry and functional groups make it a critical precursor for constructing complex molecules with high enantiomeric purity. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop novel active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the synthesis of active pharmaceutical ingredients (APIs), particularly for drugs targeting neurological and metabolic disorders.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides where specific stereochemistry is required for biological activity.
• Fine Chemical Production: Acts as a building block for fragrances, flavors, and other high-value specialty chemicals requiring precise molecular architecture.
• Asymmetric Catalysis Research: Employed as a standard or substrate in methodological development for new asymmetric synthesis routes.
• Material Science: Potential monomer or modifier in the synthesis of specialized polymers with tailored properties.

Basic Information

Product Name	Pentanoic Acid, 3-Methyl-4-Oxo-, Methyl Ester, (S)- (9Ci)
CAS No.	124686-29-9
Molecular Formula	C7H12O3
Molecular Weight	144.17 g/mol
Synonyms	(S)-Methyl 3-methyl-4-oxopentanoate; (S)-3-Methyl-4-oxopentanoic acid methyl ester; Methyl (S)-3-methyl-4-oxovalerate; (S)-Methyl 3-methyl-4-oxovalerate; L-3-Methyl-4-oxopentanoic acid methyl ester; (S)-4-Oxo-3-methylpentanoic acid methyl ester; (S)-β-Methyllevulinic acid methyl ester
EINECS	Contact for details

Quality Control

Our Pentanoic Acid, 3-Methyl-4-Oxo-, Methyl Ester, (S)- (9Ci) is produced under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity assessment by HPLC, to ensure it meets the exacting standards required for advanced synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and enantiomeric excess are provided with every shipment.

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. 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)	≥ 97.0%
Enantiomeric Purity (Chiral HPLC)	≥ 98.0% ee
Water Content (KF)	≤ 0.5%

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