Description

1,1-Dioxo-Tetrahydro-Thiopyran-4-One is a high-purity, versatile sulfone derivative and a key heterocyclic building block in advanced organic synthesis. Its value lies in its unique structure, which serves as a critical precursor for developing pharmaceuticals, agrochemicals, and functional materials. This compound is essential for R&D chemists and production specialists in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable, high-quality intermediates for complex synthesis.

Application

• Pharmaceutical Intermediate: A crucial building block for synthesizing novel active pharmaceutical ingredients (APIs), particularly in the development of sulfone-containing drugs.
• Agrochemical Synthesis: Used in the research and production of advanced herbicides, fungicides, and insecticides, where the thiopyran scaffold imparts specific biological activity.
• Organic Synthesis Reagent: Serves as a versatile precursor for constructing complex heterocyclic compounds in academic and industrial research laboratories.
• Material Science: Employed in the development of specialty polymers, ligands for catalysis, and other functional organic materials.
• Chemical Research: Utilized as a standard or reference compound in analytical method development and metabolic studies.

Basic Information

Product Name	1,1-Dioxo-Tetrahydro-Thiopyran-4-One
CAS No.	17396-35-9
Molecular Formula	C5H8O3S
Molecular Weight	148.18 g/mol
Synonyms	4-Oxo-tetrahydro-2H-thiopyran 1,1-dioxide; Tetrahydro-4-oxo-2H-thiopyran-1,1-dioxide; 4-Oxotetrahydro-2H-thiopyran 1,1-dioxide; 4-Thiacyclohexanone 1,1-dioxide; 1,1-Dioxo-perhydrothiopyran-4-one; 4-Ketotetrahydrothiopyran 1,1-dioxide; 4-Oxotetrahydrothiopyran 1,1-dioxide
EINECS	Contact for details

Quality Control

Our 1,1-Dioxo-Tetrahydro-Thiopyran-4-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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