Description

Dihydro-2H-Thiopyran-3(4H)-One-1,1-Dioxide is a versatile sulfone-containing heterocyclic compound that serves as a critical building block in advanced organic synthesis. Its unique structure, featuring a saturated thiopyran ring with a ketone and a sulfone group, makes it a valuable precursor for developing pharmaceuticals, agrochemicals, and functional materials. This high-purity intermediate is essential for research and development chemists and process engineers in the fine chemical and pharmaceutical industries seeking reliable, scalable synthetic routes.

Application

• Pharmaceutical Intermediate: A key synthon for the synthesis of novel drug candidates, particularly in developing sulfone-based bioactive molecules.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides and herbicides, where the sulfone moiety can enhance biological activity.
• Material Science Research: Acts as a monomer or precursor for developing specialty polymers and advanced organic materials with specific electronic or thermal properties.
• Organic Synthesis Building Block: Employed in cyclization reactions, nucleophilic additions, and as a scaffold for constructing complex heterocyclic systems in academic and industrial R&D.
• Ligand and Catalyst Development: Useful for creating novel chiral auxiliaries or ligands for asymmetric catalysis due to its defined stereogenic centers.

Basic Information

Product Name	Dihydro-2H-Thiopyran-3(4H)-One-1,1-Dioxide
CAS No.	29431-37-6
Molecular Formula	C5H8O3S
Molecular Weight	148.18 g/mol
Synonyms	3-Oxo-tetrahydro-2H-thiopyran 1,1-Dioxide; Tetrahydro-2H-thiopyran-3-one 1,1-Dioxide; 3-Oxotetrahydro-2H-thiopyran 1,1-Dioxide; 3-Ketotetrahydrothiopyran 1,1-Dioxide; Dihydro-2H-thiopyran-3(4H)-one 1,1-dioxide; Thiopyran-3(4H)-one, dihydro-, 1,1-dioxide; 29431-37-6
EINECS	Contact for details

Quality Control

Our Dihydro-2H-Thiopyran-3(4H)-One-1,1-Dioxide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high chemical purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory compliance needs.

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 strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Specified range
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.