Description

Ethanethioic Acid S-Ethyl Ester is a specialized organosulfur compound with the CAS number 625-60-5. This chemical serves as a versatile intermediate and building block in advanced organic synthesis, valued for its ability to introduce the thioester functional group. It is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and material science sectors for the development of novel compounds and active ingredients.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing sulfur-based pharmacophores.
• Agrochemical Synthesis: Used in the research and production of pesticides, herbicides, and fungicides where the thioester moiety is integral to biological activity.
• Organic Synthesis Reagent: Employed as a versatile reagent in academic and industrial R&D for constructing complex molecules, including heterocycles and natural product analogs.
• Flavor and Fragrance Industry: Acts as a precursor for certain sulfur-containing flavor compounds that contribute to savory or roasted notes.
• Polymer and Material Science: Utilized in the development of specialty polymers and functional materials that require specific sulfur-based linkages.
• Chemical Research: Serves as a standard or reference compound in analytical chemistry and metabolic studies.

Basic Information

Product Name	Ethanethioic Acid S-Ethyl Ester
CAS No.	625-60-5
Molecular Formula	C4H8OS
Molecular Weight	104.17 g/mol
Synonyms	Thioacetic Acid S-Ethyl Ester; S-Ethyl Thioacetate; Ethanethioic Acid, S-Ethyl Ester; Ethyl Thioacetate; Acetic Acid, Thio-, S-Ethyl Ester; Ethylthioacetate; S-Ethyl Ethanethioate; Acetic Acid, Thio-, Ethyl Ester
EINECS	210-902-5

Quality Control

Our Ethanethioic Acid S-Ethyl Ester is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide Certificates of Analysis (COA) with key parameters including assay, identity confirmation, and impurity profiles. Our quality systems are designed to meet the stringent requirements of research and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. Due to its organosulfur nature, it should be stored separately from strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Refractive Index (n20D)	1.458 - 1.462
Density (20°C)	0.98 - 1.02 g/mL
Water Content (KF)	≤ 0.5%

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