Description

3-(Methylthio)Phenylacetic Acid is a versatile aromatic acid derivative characterized by its phenylacetic acid core substituted with a methylthio group. This compound serves as a valuable chemical intermediate and building block in advanced organic synthesis, prized for its ability to introduce specific functional groups into target molecules. It is primarily required by pharmaceutical, agrochemical, and specialty chemical manufacturers for research and production processes.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those requiring specific aromatic substitution patterns.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where the methylthio-phenyl moiety is a critical structural component.
• Fine Chemical Production: Serves as a precursor for dyes, pigments, and other performance chemicals requiring a thioether-linked aromatic system.
• Fragrance and Flavor Ingredient Synthesis: Intermediate in creating complex aromatic compounds for specialty fragrance and flavor applications.
• Material Science Research: Used in academic and industrial R&D for developing novel polymers, ligands, and organic electronic materials.
• Chemical Reference Standard: Supplied as a high-purity standard for analytical testing and method development in quality control laboratories.

Basic Information

Product Name	3-(Methylthio)Phenylacetic Acid
CAS No.	18698-73-2
Molecular Formula	C9H10O2S
Molecular Weight	182.24 g/mol
Synonyms	(3-Methylsulfanylphenyl)acetic Acid; 3-(Methylmercapto)phenylacetic Acid; m-(Methylthio)phenylacetic Acid; 2-[3-(Methylthio)phenyl]acetic Acid; 3-Methylthiophenylacetic Acid; 3-(Methylsulfanyl)benzenacetic Acid; NSC 403107; Benzenacetic acid, 3-(methylthio)-
EINECS	242-501-7

Quality Control

Our 3-(Methylthio)Phenylacetic Acid is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing including HPLC, GC, and NMR to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for critical synthesis applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents, strong bases, and heat sources. The container must be kept tightly closed to minimize moisture absorption and exposure to air.

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 (as Pb)	≤ 20 ppm

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