Description

4-Chloro-3-(Methylthio)Benzoic Acid is a versatile benzoic acid derivative distinguished by its chloro and methylthio substituents, making it a valuable chemical intermediate for advanced synthesis. This compound is crucial for the development of pharmaceuticals and agrochemicals, where its unique structure enables the creation of molecules with targeted biological activity. It is primarily sought by R&D chemists and process development teams in the life sciences and specialty chemical industries.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a substituted benzoic acid core.
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Material Precursor: Serves as a starting material for synthesizing advanced organic electronic materials.
• Organic Synthesis Reagent: Employed in academic and industrial laboratories for constructing complex molecules via coupling reactions and functional group transformations.
• Dye & Pigment Intermediate: Utilized in the manufacture of specialized dyes and pigments.

Basic Information

Product Name	4-Chloro-3-(Methylthio)Benzoic Acid
CAS No.	166811-60-5
Molecular Formula	C8H7ClO2S
Molecular Weight	202.66 g/mol
Synonyms	3-(Methylthio)-4-chlorobenzoic Acid; 4-Chloro-3-methylsulfanylbenzoic Acid; Benzoic acid, 4-chloro-3-(methylthio)-; 4-Chloro-3-(methylmercapto)benzoic Acid; 4-Chloro-3-methylthiobenzoic Acid; 4-Chloro-m-toluic acid, 3-(methylthio)-; 166811-60-5
EINECS	Contact for details

Quality Control

Our 4-Chloro-3-(Methylthio)Benzoic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided and available upon request to support your quality assurance protocols.

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 heat, sparks, and open flame.

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	< 20 ppm

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