Description

4H-Pyran-4-Thione CAS NO 1120-93-0 is a sulfur-containing heterocyclic compound that serves as a versatile building block and intermediate in advanced organic synthesis. Its unique thione functional group makes it a valuable precursor for the development of pharmaceuticals, agrochemicals, and functional materials. This compound is primarily sought by research institutions and industrial manufacturers in the pharmaceutical, agrochemical, and specialty chemical sectors for creating novel molecular entities.

Application

• Pharmaceutical Intermediate: Key building block for synthesizing novel drug candidates, particularly in medicinal chemistry research.
• Agrochemical Synthesis: Used in the development of new pesticides, herbicides, and fungicides.
• Ligand and Catalyst Precursor: Serves as a starting material for creating complex ligands used in transition metal catalysis.
• Material Science Research: Investigated for incorporation into polymers or organic electronic materials due to its heterocyclic structure.
• Chemical Research & Development: Employed in academic and industrial R&D for exploring new synthetic methodologies and heterocyclic chemistry.
• Fine Chemical Production: Intermediate in the multi-step synthesis of complex, high-value specialty chemicals.

Basic Information

Item	Detail
Product Name	4H-Pyran-4-Thione
CAS No.	1120-93-0
Molecular Formula	C5H4OS
Molecular Weight	112.15 g/mol
Synonyms	4H-Pyran-4-thione; 4-Thioxo-4H-pyran; 4-Pyranthione; γ-Pyrone-4-thione; 4H-Pyran-4-thiol, thione form; 4-Thioxopyran; 1-Oxa-2,4-cyclohexadiene-6-thione; 4-Thioxo-4H-pyran-4-thiol
EINECS	214-321-7

Quality Control

Our 4H-Pyran-4-Thione is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity assessment and spectroscopic methods (NMR, IR) for structural confirmation, to ensure it meets the high standards required for research and synthesis. Certificates of Analysis (COA) documenting identity, purity, and physical properties are available for every shipment upon request.

Storage

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

Specification

Item	Specification
Appearance	Yellow to brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%

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