Description

Butanoic Acid, 2-Hydroxy-, Ethyl Ester, (2S)- is a high-purity, single-enantiomer ester derivative of 2-hydroxybutanoic acid, a compound of significant interest in advanced organic synthesis. Its defined stereochemistry and functional group versatility make it a critical chiral building block for the production of pharmaceuticals, agrochemicals, and fine chemicals. This product is essential for research and manufacturing chemists in industries requiring precise molecular control to develop active ingredients with high efficacy and specificity.

Application

• Pharmaceutical Intermediate: Serves as a key chiral synthon in the asymmetric synthesis of active pharmaceutical ingredients (APIs), particularly for cardiovascular and central nervous system drugs.
• Agrochemical Synthesis: Used in the production of enantiomerically pure herbicides, fungicides, and plant growth regulators where biological activity is stereospecific.
• Flavor and Fragrance Ingredient: Acts as a precursor for esters and lactones that contribute creamy, fruity, or buttery notes in high-value flavor and fragrance formulations.
• Polymer Modification: Employed as a monomer or co-monomer in the synthesis of specialized biodegradable polymers and polyesters with tailored properties.
• Chemical Research: A valuable reagent in academic and industrial R&D for methodological development in stereoselective catalysis and synthesis.
• Liquid Crystal and Electronic Materials: Functions as an intermediate in the synthesis of chiral dopants and organic electronic materials.

Basic Information

Product Name	Butanoic Acid, 2-Hydroxy-, Ethyl Ester, (2S)-
CAS No.	88271-13-0
Molecular Formula	C6H12O3
Molecular Weight	132.16 g/mol
Synonyms	(S)-2-Hydroxybutyric Acid Ethyl Ester; Ethyl (S)-2-Hydroxybutanoate; (S)-Ethyl 2-Hydroxybutyrate; L-2-Hydroxybutyric Acid Ethyl Ester; Ethyl L-2-Hydroxybutyrate; (2S)-2-Hydroxybutanoic Acid Ethyl Ester; Butanoic acid, 2-hydroxy-, ethyl ester, (2S)-
EINECS	Contact for details

Quality Control

Our Butanoic Acid, 2-Hydroxy-, Ethyl Ester, (2S)- is manufactured under strict quality management systems. Every batch is analyzed to ensure high chemical and enantiomeric purity, meeting the stringent requirements for advanced synthetic applications. Certificates of Analysis (COA) detailing identity, purity, chiral excess, and impurity profiles are provided and available upon request.

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 strong bases and incompatible materials such as strong oxidizing agents. The container must be kept tightly closed to prevent moisture absorption.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Enantiomeric Excess (Chiral HPLC)	≥ 99.0%
Specific Rotation [α]	Contact for details
Refractive Index (n20D)	Contact for details
Density (g/mL at 20°C)	Contact for details
Water Content (KF)	≤ 0.5%

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