Description

5-Methylthiazole-2(3H)-Thione is a versatile sulfur and nitrogen-containing heterocyclic compound that serves as a critical building block in advanced organic synthesis. Its unique thione-thiol tautomerism and reactive sites make it a valuable precursor for pharmaceuticals, agrochemicals, and functional materials. This high-purity intermediate is essential for research and development chemists and production specialists in the fine chemical and life science industries seeking reliable, high-quality raw materials for complex molecular construction.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with thiazole or modified nucleoside scaffolds.
• Agrochemical Synthesis: Used in the development of novel fungicides, herbicides, and insecticides, leveraging its heterocyclic structure for bioactivity.
• Ligand and Catalyst Preparation: Serves as a chelating agent or precursor for metal-complexing ligands in catalytic systems and material science.
• Organic Electronic Materials: A building block for constructing conjugated molecules and polymers used in organic semiconductors and sensors.
• Chemical Research & Development: A versatile reagent for exploring new synthetic methodologies and creating novel heterocyclic libraries in medicinal chemistry.
• Corrosion Inhibitor Formulation: Potential component in specialty formulations designed to protect metals, particularly in acidic environments.

Basic Information

Product Name	5-Methylthiazole-2(3H)-Thione
CAS No.	17626-82-3
Molecular Formula	C4H5NS2
Molecular Weight	131.22 g/mol
Synonyms	5-Methyl-2-mercaptothiazole; 5-Methyl-2-thiazolethiol; 5-Methyl-2-thiazolinethione; 2-Mercapto-5-methylthiazole; 5-Methyl-1,3-thiazole-2-thiol; 5-Methyl-δ2-thiazoline-2-thione; NSC 403697
EINECS	Contact for details

Quality Control

Our 5-Methylthiazole-2(3H)-Thione is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation by IR and NMR spectroscopy, to ensure it meets the stringent requirements of our global B2B clients. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent quality for your critical synthesis processes.

Storage

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

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.