Description

Dihydro-5,5-Dimethyl-2H-Thiopyran-3(4H)-One-1,1-Dioxide is a high-purity, specialized sulfone derivative with a unique cyclic structure. This compound serves as a critical advanced pharmaceutical intermediate and a versatile building block in organic synthesis. It is primarily sought by R&D and production teams in the pharmaceutical, agrochemical, and fine chemical industries for developing novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key synthon for the development of novel drug candidates, particularly in central nervous system (CNS) and anti-inflammatory therapeutic areas.
• Agrochemical Synthesis: Used as a precursor in the manufacture of advanced pesticides and herbicides, leveraging its sulfone moiety for biological activity.
• Fine Chemical Building Block: Employed in complex organic synthesis for creating specialty chemicals, ligands, and functional polymers.
• Material Science Research: Investigated for use in the synthesis of novel organic electronic materials and advanced polymers due to its stable cyclic structure.
• Cross-Coupling Reactions: Serves as a substrate in palladium-catalyzed and other metal-mediated coupling reactions to construct complex molecular architectures.

Basic Information

Product Name	Dihydro-5,5-Dimethyl-2H-Thiopyran-3(4H)-One-1,1-Dioxide
CAS No.	1049093-43-7
Molecular Formula	C7H12O3S
Molecular Weight	176.23 g/mol
Synonyms	3,4-Dihydro-5,5-dimethyl-2H-thiopyran-3-one 1,1-dioxide; 5,5-Dimethyltetrahydro-2H-thiopyran-3(4H)-one 1,1-dioxide; 5,5-Dimethyl-3-oxotetrahydro-2H-thiopyran 1,1-dioxide; Dihydro-5,5-dimethyl-2H-thiopyran-3(4H)-one S,S-dioxide; Tetrahydro-5,5-dimethyl-2H-thiopyran-3-one 1,1-dioxide
EINECS	Contact for details

Quality Control

Our Dihydro-5,5-Dimethyl-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 purity and batch-to-batch consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

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 and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.