Description

Ethanethioic Acid, S-(3-Chloro-3-Oxopropyl) Ester is a specialized organosulfur compound with a reactive chloropropionyl ester group. This chemical is valued for its role as a versatile intermediate in organic synthesis, enabling the introduction of thioester and carbonyl functionalities. It is primarily sought by research and development chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing sulfur-based functional groups.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides where the thioester moiety is critical for bioactivity.
• Polymer Modification: Acts as a functional monomer or cross-linking agent in the production of specialty polymers with tailored properties.
• Chemical Research: Employed in academic and industrial R&D for method development and the creation of novel chemical entities.
• Ligand and Catalyst Preparation: Serves as a precursor for synthesizing specialized ligands and catalysts used in asymmetric synthesis and other catalytic processes.

Basic Information

Product Name	Ethanethioic Acid, S-(3-Chloro-3-Oxopropyl) Ester
CAS No.	41345-72-6
Molecular Formula	C5H7ClO2S
Molecular Weight	166.62 g/mol
Synonyms	3-Chloropropionyl Thioacetate; S-(3-Chloropropionyl) Thioacetate; Ethanethioic Acid S-(3-Chloropropanoyl) Ester; 3-Chloro-1-oxopropyl Ethanethioate; Acetic Acid, Thio-, S-(3-Chloro-3-oxopropyl) Ester; Acetylthio 3-Chloropropionate; 41345-72-6
EINECS	Contact for details

Quality Control

Our production of Ethanethioic Acid, S-(3-Chloro-3-Oxopropyl) Ester adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting key parameters are provided to guarantee the material meets your specific research or process requirements.

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). This compound is hygroscopic (moisture-sensitive); ensure containers are sealed immediately after use to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (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.