Description

3-(4-Methylthiophenyl)Propionic Acid is a versatile aromatic carboxylic acid derivative featuring a methylthio substituent, which imparts unique chemical reactivity. This compound serves as a valuable intermediate and building block in advanced organic synthesis, particularly for the development of pharmaceuticals and agrochemicals. It is essential for research and production in the fine chemical, pharmaceutical, and material science industries seeking to incorporate functionalized phenylpropionic acid motifs.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), especially non-steroidal anti-inflammatory drugs (NSAIDs) and other bioactive molecules.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where the methylthiophenyl moiety is critical for activity.
• Liquid Crystal & OLED Materials: Serves as a precursor for synthesizing advanced organic electronic materials and liquid crystal compounds.
• Fine Chemical Research: Employed in academic and industrial R&D for exploring new organic reactions and creating novel chemical entities.
• Polymer Modification: Acts as a functional monomer or additive to introduce specific properties into polymer chains.
• Flavor & Fragrance Ingredient: Potential intermediate for synthesizing complex aromatic compounds used in specialty formulations.

Basic Information

Product Name	3-(4-Methylthiophenyl)Propionic Acid
CAS No.	138485-81-1
Molecular Formula	C10H12O2S
Molecular Weight	196.26 g/mol
Synonyms	3-(4-Methylthiophenyl)propanoic acid; 4-Methylthiohydrocinnamic acid; 3-(p-Methylthiophenyl)propionic acid; 3-(4-Methylmercaptophenyl)propionic acid; 3-(4-Methylsulfanylphenyl)propanoic acid; 4-(2-Carboxyethyl)thioanisole; (4-Methylthiophenyl)propanoic acid; β-(4-Methylthiophenyl)propionic acid
EINECS	Contact for details

Quality Control

Our 3-(4-Methylthiophenyl)Propionic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	< 10 ppm

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