Description

Benzenebutanoic Acid, α-Hydroxy-4-Methyl-, Ethyl Ester, (αs)- is a specialized chiral intermediate of significant interest in advanced organic synthesis. Its value lies in its defined stereochemistry and functional groups, which make it a versatile building block for constructing complex molecular architectures. This compound is primarily needed by research institutions and industrial R&D departments in the pharmaceutical and agrochemical sectors for the development of new active ingredients.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of novel active pharmaceutical ingredients (APIs), particularly in stereoselective synthesis.
• Agrochemical Synthesis: Used in the creation of advanced, high-efficacy crop protection agents and herbicides.
• Fine Chemical Production: Serves as a precursor in the manufacture of specialty chemicals, flavors, and fragrances requiring specific stereochemical purity.
• Academic & Industrial Research: A valuable reagent for methodological studies in asymmetric synthesis and catalysis within chemistry laboratories.
• Material Science Precursor: Potential use in the synthesis of specialized polymers or liquid crystals where the benzoic acid derivative structure is beneficial.

Basic Information

Product Name	Benzenebutanoic Acid, α-Hydroxy-4-Methyl-, Ethyl Ester, (αs)-
CAS No.	830319-48-7
Molecular Formula	C13H18O3
Molecular Weight	222.28 g/mol
Synonyms	(αS)-α-Hydroxy-4-methylbenzenebutanoic acid ethyl ester; Ethyl (S)-2-hydroxy-4-phenylbutanoate; (S)-Ethyl 2-hydroxy-4-phenylbutyrate; (S)-2-Hydroxy-4-phenylbutyric acid ethyl ester; 4-Methyl-α-hydroxy-benzenebutanoic acid ethyl ester, (αS)-; Benzenebutanoic acid, α-hydroxy-4-methyl-, ethyl ester, (αS)-; Ethyl (S)-α-hydroxy-4-methylbenzenebutanoate
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with industry standards. For this chiral intermediate, we provide comprehensive analytical data including chiral purity (enantiomeric excess) and chemical purity determined by advanced chromatographic methods. Certificates of Analysis (COA) detailing specific batch results for identity, assay, and impurity profile are available upon request.

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 strong bases and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% e.e.
Water Content (KF)	≤ 0.5%

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