Description

Benzoyl Chloride, 4-Chloro-2-Mercapto- (9Ci) CAS NO 115768-64-4 is a specialized organosulfur compound featuring both a reactive benzoyl chloride group and a thiol functionality. This dual reactivity makes it a valuable high-purity synthetic intermediate for constructing complex molecular architectures in advanced chemical synthesis. It is primarily sought after by pharmaceutical, agrochemical, and material science research and development teams for the production of novel active ingredients and functional polymers.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing novel drug candidates, particularly those containing sulfur heterocycles or thioether linkages.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and insecticides requiring specific chlorobenzoyl motifs.
• Polymer Chemistry: Serves as a monomer or cross-linking agent for developing specialty polymers with tailored properties like adhesion or chemical resistance.
• Ligand and Catalyst Development: Employed in the synthesis of complex chelating ligands for metal catalysis and coordination chemistry.
• Chemical Research: A versatile reagent for academic and industrial R&D in organic synthesis, enabling the introduction of both acyl and thiol groups.
• Dye and Pigment Intermediate: Used in the synthesis of specialized colorants and photographic chemicals.

Basic Information

Product Name	Benzoyl Chloride, 4-Chloro-2-Mercapto- (9Ci)
CAS No.	115768-64-4
Molecular Formula	C7H4Cl2OS
Molecular Weight	207.08 g/mol
Synonyms	4-Chloro-2-mercaptobenzoyl chloride; 2-Mercapto-4-chlorobenzoic acid chloride; 4-Chloro-2-sulfanylbenzoyl chloride; 2-Chloro-ω-mercaptobenzoyl chloride (ambiguous); Benzoic acid, 4-chloro-2-mercapto-, chloride; (4-Chloro-2-sulfanylphenyl)methanone chloride
EINECS	Contact for details

Quality Control

Our production of Benzoyl Chloride, 4-Chloro-2-Mercapto- (9Ci) adheres to stringent internal quality standards designed for research and industrial use. Every batch is characterized by modern analytical techniques including HPLC, GC, and NMR to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing assay, impurity profile, and physical data is provided with each shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at controlled room temperature (15-25°C). This compound is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from strong bases, oxidizing agents, and sources of ignition.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline solid or powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Melting Point	Contact for details

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