Description

3-(Methylthio) Benzoic Acid is a versatile sulfur-containing aromatic carboxylic acid derivative, serving as a key building block in advanced organic synthesis. Its unique structure, featuring both a carboxylic acid and a methylthio group, makes it a valuable intermediate for creating compounds with specific electronic and steric properties. This chemical is primarily sought by research and development laboratories, as well as production facilities in the pharmaceutical and agrochemical sectors, for the synthesis of active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme receptors where the methylthio moiety plays a key role.
• Agrochemical Synthesis: Used in the development of herbicides, fungicides, and plant growth regulators, leveraging its aromatic backbone for bioactive molecule construction.
• Ligand and Catalyst Development: Employed in organometallic chemistry to create specialized ligands for catalytic systems, especially in cross-coupling reactions.
• Material Science Research: Acts as a monomer or modifying agent in the synthesis of specialty polymers and liquid crystals with tailored properties.
• Fine Chemical Production: Serves as a starting material for synthesizing dyes, pigments, and other performance chemicals requiring a substituted benzoic acid structure.

Basic Information

Product Name	3-(Methylthio) Benzoic Acid
CAS No.	875-99-0
Molecular Formula	C8H8O2S
Molecular Weight	168.21 g/mol
Synonyms	m-(Methylthio)benzoic Acid; 3-Methylsulfanylbenzoic Acid; Benzoic acid, 3-(methylthio)-; 3-(Methylmercapto)benzoic Acid; 3-Carboxyphenyl methyl sulfide; 3-Methythiobenzoic Acid; 3-Methylsulfanyl-benzoic acid; NSC 403697
EINECS	212-876-4

Quality Control

Our production of 3-(Methylthio) Benzoic Acid adheres to strict quality management protocols to ensure batch-to-batch consistency and reliability. Each lot is analyzed against comprehensive specifications using modern analytical techniques such as HPLC, GC, and NMR. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment. We support cGMP and ISO 9001 standards for quality assurance, making our product suitable for demanding R&D and scale-up processes.

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 bases. The container should be kept tightly sealed to minimize exposure to moisture and air.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	142 - 146 °C
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.