Description

2(3H)-Thiazolethione, 5-Ethyl- is a specialized heterocyclic organic compound belonging to the thiazolethione class, identified by CAS NO 371120-77-3. This compound serves as a critical synthetic intermediate and functional building block in advanced organic synthesis, valued for its unique sulfur-containing heterocyclic structure. It is primarily utilized by research and development chemists, process development scientists, and manufacturers in the pharmaceutical, agrochemical, and material science industries for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly those targeting neurological or metabolic pathways.
• Agrochemical Synthesis: Used in the research and production of new-generation pesticides, herbicides, and fungicides.
• Material Science Research: Acts as a precursor or monomer in the development of specialty polymers and advanced organic electronic materials.
• Chemical Biology Probes: Employed in the design and synthesis of molecular probes for studying enzyme mechanisms and biological pathways.
• Ligand Synthesis: Useful for creating complex ligands in coordination chemistry and catalysis research.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific synthetic projects.

Basic Information

Product Name	2(3H)-Thiazolethione, 5-Ethyl-
CAS No.	371120-77-3
Molecular Formula	C5H7NS2
Molecular Weight	145.24 g/mol
Synonyms	5-Ethyl-2(3H)-thiazolethione; 5-Ethyl-3H-1,3-thiazole-2-thione; 5-Ethyl-2-thioxo-2,3-dihydro-1,3-thiazole; 5-Ethyl-2-mercaptothiazole; 2-Thioxo-5-ethyl-2,3-dihydrothiazole; 5-Ethyl-2-thiazolidinethione
EINECS	Contact for details

Quality Control

Our 2(3H)-Thiazolethione, 5-Ethyl- is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including chromatographic purity assays and structural confirmation. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Off-white to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
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.