Description

Benzenepropanoic Acid,A-Hydroxy-, 1,1-Dimethylethyl Ester,(S)- is a high-purity chiral intermediate of significant importance in advanced organic synthesis. This compound matters for its role as a key building block in the production of enantiomerically pure pharmaceuticals and fine chemicals. It is primarily needed by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: A critical chiral synthon for the synthesis of non-steroidal anti-inflammatory drugs (NSAIDs) and other active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the research and production of enantioselective pesticides and herbicides.
• Asymmetric Catalysis: Serves as a precursor or ligand in catalytic systems for stereoselective chemical transformations.
• Fine Chemical Production: Employed in the manufacture of specialty chemicals, flavors, and fragrances requiring high optical purity.
• Academic & Industrial Research: A valuable compound for methodological development in organic chemistry and process chemistry R&D.

Basic Information

Item	Detail
Product Name	Benzenepropanoic Acid,A-Hydroxy-, 1,1-Dimethylethyl Ester,(S)-
CAS No.	7622-23-3
Molecular Formula	C13H18O3
Molecular Weight	222.28 g/mol
Synonyms	(S)-tert-Butyl 3-Hydroxy-3-phenylpropanoate; (S)-3-Hydroxy-3-phenylpropionic Acid tert-Butyl Ester; (S)-3-Phenyl-3-hydroxypropionic Acid tert-Butyl Ester; (S)-HPPA t-Butyl Ester; (S)-β-Hydroxy-β-phenylpropionic Acid tert-Butyl Ester; (S)-3-Hydroxy-3-phenylpropanoic Acid 1,1-Dimethylethyl Ester; (S)-Benzenepropanoic acid, 3-hydroxy-, 1,1-dimethylethyl ester
EINECS	Contact for details

Quality Control

Our Benzenepropanoic Acid,A-Hydroxy-, 1,1-Dimethylethyl Ester,(S)- is produced under strict quality management systems. The product undergoes rigorous analytical testing, including chiral purity assessment by HPLC, to ensure it meets the high standards required for synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and enantiomeric excess are available for every batch upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. The product is light-sensitive and should be stored away from light.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Enantiomeric Purity (Chiral HPLC)	≥ 99.0% ee
Melting Point	Contact for details
Loss on Drying	≤ 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.