Description

(2Rs)-2-(4-Ethylphenyl)Propanoic Acid is a high-purity chiral aromatic propionic acid derivative, serving as a critical intermediate in advanced organic synthesis. Its defined stereochemistry and functional groups make it a valuable building block for creating complex molecules with specific biological or material properties. This compound is essential for research and development chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key chiral precursor in the synthesis of non-steroidal anti-inflammatory drugs (NSAIDs) and other active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Building block for developing advanced herbicides, fungicides, and plant growth regulators with enhanced efficacy.
• Liquid Crystal & OLED Materials: Used in the research and production of specialty organic electronic materials due to its aromatic core and potential for functionalization.
• Asymmetric Catalyst Ligand Precursor: Serves as a starting material for synthesizing chiral ligands used in enantioselective catalysis.
• Fine Chemical & Flavor/Fragrance Intermediate: Employed in the multi-step synthesis of complex aromatic compounds for specialty applications.
• Academic & Industrial R&D: A valuable reference standard and reagent for methodological development in organic and medicinal chemistry.

Basic Information

Product Name	(2Rs)-2-(4-Ethylphenyl)Propanoic Acid
CAS No.	3585-52-2
Molecular Formula	C11H14O2
Molecular Weight	178.23 g/mol
Synonyms	(±)-2-(4-Ethylphenyl)propanoic acid; 2-(4-Ethylphenyl)propionic acid; 4-Ethyl-α-methylbenzenacetic acid; α-Methyl-4-ethylbenzeneacetic acid; (RS)-2-(4-Ethylphenyl)propanoic acid; DL-2-(4-Ethylphenyl)propionic acid; rac-2-(4-Ethylphenyl)propanoic acid; p-Ethylhydratropic acid
EINECS	Contact for details

Quality Control

Our (2Rs)-2-(4-Ethylphenyl)Propanoic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including chiral purity assessment, to ensure it meets the stringent requirements for advanced synthetic applications. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment and are 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 oxidizing agents, strong bases, and heat sources.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99:1 (R:S or S:R) or as specified
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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