Description

Methyl 3-Mercaptobenzoate is a versatile sulfur-containing aromatic ester, a key building block in advanced organic synthesis. Its value lies in the unique reactivity of the thiol group, which enables the construction of complex molecules for high-value applications. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and material science industries seeking to develop novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing benzothiophene or other sulfur-heterocyclic scaffolds.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and insecticides, where the mercapto group acts as a key functional handle.
• Ligand and Catalyst Preparation: Serves as a starting material for synthesizing specialized ligands used in transition metal catalysis and coordination chemistry.
• Polymer and Material Science: Employed as a monomer or modifier to introduce thiol functionality into polymers, affecting cross-linking, adhesion, and material properties.
• Flavor & Fragrance Industry: Potential intermediate for synthesizing sulfur-containing aroma compounds, contributing to savory or roasted notes.
• Research & Development: A valuable reagent for academic and industrial R&D in organic chemistry, medicinal chemistry, and chemical biology.

Basic Information

Product Name	Methyl 3-Mercaptobenzoate
CAS No.	72886-42-1
Molecular Formula	C8H8O2S
Molecular Weight	168.21 g/mol
Synonyms	3-(Methoxycarbonyl)benzenethiol; Methyl m-Mercaptobenzoate; Benzoic acid, 3-mercapto-, methyl ester; 3-Carbomethoxybenzenethiol; m-(Methoxycarbonyl)benzenethiol; 3-Mercaptobenzoic acid methyl ester
EINECS	Contact for details

Quality Control

Our production of Methyl 3-Mercaptobenzoate adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including GC, HPLC, and NMR to verify identity, potency, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment and is 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 and bases. For long-term storage, consider an inert atmosphere to minimize potential oxidation of the thiol group.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%

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