Description

S-(3-Chloro-2-Methyl-3-Oxopropyl) Ethanethioate is a specialized organosulfur and organochlorine compound that serves as a versatile building block in advanced organic synthesis. Its molecular structure, featuring both a thioester and an acid chloride-like moiety, makes it a valuable reagent for introducing functionalized propionyl groups. This compound is primarily sought after by research and development chemists and process engineers in the pharmaceutical and agrochemical sectors for constructing complex molecules, including potential active ingredients and intermediates.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in the development of protease inhibitors and other small-molecule therapeutics.
• Agrochemical Synthesis: Used in the production of advanced pesticides and herbicides, where its functional groups allow for the creation of compounds with specific biological activity.
• Chemical Research & Development: A crucial reagent in academic and industrial R&D labs for methodological studies and the exploration of new synthetic pathways involving thioesters and acyl chlorides.
• Peptide Mimetics & Prodrug Development: Employed to create peptide analogs or prodrug structures designed for improved stability, bioavailability, or targeted delivery.
• Material Science Precursor: Can serve as a monomer or cross-linking agent in the synthesis of specialized polymers with unique properties.

Basic Information

Product Name	S-(3-Chloro-2-Methyl-3-Oxopropyl) Ethanethioate
CAS No.	64805-64-7
Molecular Formula	C6H9ClO2S
Molecular Weight	180.65 g/mol
Synonyms	3-Chloro-2-methyl-3-oxopropyl ethanethioate; S-(3-Chloro-2-methyl-3-oxopropyl) thioacetate; 1-Chloroacetyl-2-methyl thioacetate; 3-Chloro-2-methyl-3-oxo-1-propanethiol acetate; Acetic acid, (3-chloro-2-methyl-3-oxopropyl)thio ester; (3-Chloro-2-methyl-3-oxopropyl) thioacetate
EINECS	Contact for details

Quality Control

Every batch of S-(3-Chloro-2-Methyl-3-Oxopropyl) Ethanethioate is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the product meets the high-purity standards required for sensitive synthetic applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied 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 place at a controlled room temperature (typically 15-25°C). Due to its hygroscopic and moisture-sensitive nature, the container must be kept tightly sealed in a dry environment. Keep away from strong bases and incompatible materials such as oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Individual Unknown Impurity	≤ 0.5%

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