Description

2-Hydroxy-3-Methylpentanoic Acid Ethyl Ester is a chiral ester derivative of a branched-chain hydroxy acid, serving as a valuable intermediate in fine chemical synthesis. Its structure makes it a versatile building block for the production of complex molecules, particularly in the pharmaceutical and agrochemical sectors. This compound is essential for research and manufacturing processes requiring high-purity chiral synthons for applications such as active pharmaceutical ingredient (API) development and specialty fragrance creation.

Application

• Pharmaceutical Intermediate: A key chiral building block in the synthesis of active pharmaceutical ingredients (APIs), especially for drugs targeting metabolic and neurological pathways.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides where specific stereochemistry is required for biological activity.
• Flavor and Fragrance Ingredient: Acts as a precursor for esters and lactones that contribute fruity, creamy, or woody notes in high-value perfumery and flavor compositions.
• Chemical Research & Development: Serves as a standard or starting material in organic chemistry research for studying asymmetric synthesis and esterification reactions.
• Polymer Modification: Can be utilized as a monomer or co-monomer in the synthesis of specialty polyesters with tailored properties.
• Liquid Crystal & Electronic Materials: A potential intermediate for synthesizing chiral dopants and other advanced materials used in display technologies.

Basic Information

Product Name	2-Hydroxy-3-Methylpentanoic Acid Ethyl Ester
CAS No.	24323-38-4
Molecular Formula	C8H16O3
Molecular Weight	160.21 g/mol
Synonyms	Ethyl 2-Hydroxy-3-methylpentanoate; Ethyl 3-Methyl-2-hydroxypentanoate; 2-Hydroxy-3-methyl-pentanoic acid ethyl ester; 3-Methyl-2-hydroxypentanoic acid ethyl ester; Ethyl (2R/S)-2-hydroxy-3-methylpentanoate (racemic mixture); Ethyl α-hydroxy-β-methylvalerate; (±)-Ethyl 2-hydroxy-3-methylpentanoate
EINECS	Contact for details

Quality Control

Our 2-Hydroxy-3-Methylpentanoic Acid Ethyl Ester is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including chiral purity assessment, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing purity, enantiomeric excess (if applicable), and impurity profiles are available upon request to support your quality assurance and regulatory compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from heat sources and incompatible materials such as strong oxidizing agents, strong acids, and strong bases. For long-term storage under an inert atmosphere, please contact our technical team for specific recommendations.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 97.0%
Optical Purity (Chiral HPLC)	Contact for details (Racemic or Enantiopure grades available)
Water Content (KF)	≤ 0.5%
Specific Rotation (if applicable)	Reported on COA

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