Description

Isothiochroman-4-One 2,2-Dioxide is a specialized heterocyclic sulfone building block of significant interest in advanced organic synthesis. Its unique fused-ring structure containing a sulfone moiety makes it a valuable precursor for the development of novel pharmaceuticals and agrochemicals. This high-purity intermediate is primarily sought by research institutions and industrial R&D departments focused on creating new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of new drug candidates, particularly those targeting central nervous system (CNS) disorders.
• Agrochemical Synthesis: Serves as a core structure for developing novel herbicides, fungicides, and insecticides with enhanced efficacy.
• Material Science Research: Used in the synthesis of advanced polymers and organic electronic materials due to its electron-withdrawing sulfone group.
• Ligand and Catalyst Development: Employed as a building block for creating novel chiral ligands and organocatalysts for asymmetric synthesis.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying enzyme function and biological pathways.

Basic Information

Product Name	Isothiochroman-4-One 2,2-Dioxide
CAS No.	16723-58-3
Molecular Formula	C9H8O3S
Molecular Weight	196.22 g/mol
Synonyms	4-Oxoisothiochroman 2,2-Dioxide; 3,4-Dihydro-1-benzothiopyran-4-one 2,2-dioxide; 4-Isothiochromanone S,S-Dioxide; Isothiochroman-4-one dioxide; 1,2-Benzothiine-4(3H)-one, 2,2-dioxide; 3,4-Dihydro-2,1-benzothiopyran-4-one 1,1-dioxide
EINECS	Contact for details

Quality Control

Our Isothiochroman-4-One 2,2-Dioxide 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 research and process development. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and 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 reference spectrum
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.