Description

S-(1,1-Dioxothiolan-3-Yl) Ethanethioate is a specialized organosulfur compound featuring a sulfolane (1,1-dioxothiolane) moiety. This structure makes it a valuable synthetic intermediate and building block in advanced organic synthesis, particularly for introducing functionalized thioether groups. It is primarily utilized by pharmaceutical R&D teams and fine chemical manufacturers developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, especially those requiring complex sulfur-containing heterocycles.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides with specific modes of action.
• Material Science Research: Serves as a precursor for functional polymers or ligands in catalysis due to its sulfone and thioester functionalities.
• Chemical Biology Probes: Potential use in developing activity-based probes or bioconjugation reagents targeting thiol groups.
• Fine Chemical Production: Intermediate for manufacturing specialty chemicals, flavors, and fragrances requiring specific sulfur-based motifs.

Basic Information

Product Name	S-(1,1-Dioxothiolan-3-Yl) Ethanethioate
CAS No.	201990-25-2
Molecular Formula	C6H10O3S2
Molecular Weight	194.27 g/mol
Synonyms	3-(Acetylthio)tetrahydrothiophene 1,1-dioxide; 3-(Acetylthio)thiolane-1,1-dioxide; Ethanethioic acid, S-(1,1-dioxo-3-thiolanyl) ester; 3-Acetylthiotetrahydrothiophene 1,1-dioxide; Acetic acid thio-, S-(1,1-dioxo-3-thiolanyl) ester; Tetrahydro-3-(acetylthio)thiophene 1,1-dioxide
EINECS	Contact for details

Quality Control

Our S-(1,1-Dioxothiolan-3-Yl) Ethanethioate is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements of research and development applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment.

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). Keep away from strong oxidizing agents, strong bases, and moisture. For long-term storage, consider an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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