Description

3-Chlorothiobenzoic Acid S-Ethyl Ester is a versatile sulfur-containing aromatic building block with a reactive thioester group. This compound is valued for its role as a key intermediate in the synthesis of more complex molecules, particularly in agrochemical and pharmaceutical research. It is primarily sought by chemical manufacturers and R&D laboratories involved in developing novel active ingredients and fine chemicals.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of herbicides, fungicides, and insecticides, leveraging the reactivity of the thioester and chloro substituents.
• Pharmaceutical Research: Serves as a building block for creating novel drug candidates, especially in medicinal chemistry programs targeting sulfur-containing heterocycles.
• Ligand and Catalyst Synthesis: Used in the preparation of specialized ligands for metal catalysis and organocatalysts.
• Material Science: Employed in the research and development of advanced polymers and functional materials with specific aromatic-thioester backbones.
• Chemical Synthesis: Acts as a versatile reagent for introducing the 3-chlorothiobenzoyl moiety into target molecules via various coupling and substitution reactions.

Basic Information

Product Name	3-Chlorothiobenzoic Acid S-Ethyl Ester
CAS No.	28145-63-3
Molecular Formula	C9H9ClOS
Molecular Weight	200.68 g/mol
Synonyms	S-Ethyl 3-Chlorothiobenzoate; 3-Chlorobenzenecarbothioic Acid S-Ethyl Ester; Ethyl 3-Chlorothiobenzoate; Benzenecarbothioic acid, 3-chloro-, S-ethyl ester; 3-Chlorobenzoic Acid Thioethyl Ester
EINECS	Contact for details

Quality Control

Our production of 3-Chlorothiobenzoic Acid S-Ethyl Ester adheres to stringent in-process controls to ensure batch-to-batch consistency and high purity. Every lot is characterized using advanced analytical techniques including GC, HPLC, and NMR spectroscopy. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment and is available upon request.

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.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/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.