Description

3-Methylthiobenzoic Acid S-Methyl Ester is a versatile sulfur-containing aromatic ester with the CAS registry number 28145-55-3. This compound serves as a valuable synthetic intermediate and building block in advanced organic synthesis. It is primarily utilized by R&D laboratories and chemical manufacturers in the pharmaceutical and agrochemical sectors for the development of novel active ingredients.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of drug candidates, particularly those containing thioether or sulfoxide functional groups.
• Agrochemical Synthesis: Building block for developing novel herbicides, fungicides, and plant growth regulators.
• Ligand and Catalyst Development: Used in the preparation of specialized ligands for transition metal catalysis.
• Material Science Research: Intermediate for creating monomers or additives with specific sulfur-based properties.
• Flavor and Fragrance Industry: Potential precursor for synthesizing sulfur-containing aroma compounds.
• Organic Synthesis: Versatile reagent for introducing the 3-(methylthio)phenyl moiety into more complex molecular architectures.

Basic Information

Product Name	3-Methylthiobenzoic Acid S-Methyl Ester
CAS No.	28145-55-3
Molecular Formula	C9H10O2S
Molecular Weight	182.24 g/mol
Synonyms	Benzoic acid, 3-(methylthio)-, methyl ester; Methyl 3-(methylthio)benzoate; 3-(Methylthio)benzoic acid methyl ester; m-(Methylthio)benzoic acid methyl ester; Methyl m-methylthiobenzoate; 3-Methylsulfanyl-benzoic acid methyl ester; Methyl 3-methylsulfanylbenzoate; S-Methyl 3-methylthiobenzoate
EINECS	Contact for details

Quality Control

Our 3-Methylthiobenzoic Acid S-Methyl Ester is produced under strict quality management protocols. Every batch undergoes comprehensive analytical testing to ensure high purity and consistent performance as a chemical intermediate. We provide full traceability and Certificates of Analysis (COA) are available upon request, detailing purity, identity, and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and strong bases.

Specification

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

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