Description

3-Oxothietane 1,1-Dioxide is a specialized heterocyclic sulfone compound with the CAS registry number 1599-23-1. This high-value intermediate is prized for its unique reactive sulfone moiety within a strained four-membered ring, making it a critical building block in advanced organic synthesis. It is primarily sought after by research and development chemists in the pharmaceutical and agrochemical industries for constructing novel molecular architectures and developing new synthetic methodologies.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly those targeting sulfone-based pharmacophores.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides with unique modes of action.
• Organic Synthesis Building Block: Employed in cycloaddition reactions and as a versatile electrophile for introducing the thietane dioxide scaffold into complex molecules.
• Material Science Research: Investigated as a monomer or cross-linking agent for creating polymers with specific thermal or chemical resistance properties.
• Ligand and Catalyst Development: Serves as a precursor for synthesizing novel ligands used in asymmetric catalysis and metal-organic frameworks (MOFs).

Basic Information

Product Name	3-Oxothietane 1,1-Dioxide
CAS No.	1599-23-1
Molecular Formula	C3H4O3S
Molecular Weight	120.13 g/mol
Synonyms	1,1-Dioxo-1,2-thietan-3-one; 3-Thietanone, 1,1-dioxide; Thietan-3-one 1,1-dioxide; 1,1-Dioxothietan-3-one; β-Sultone (specific isomer); 3-Oxothietane-1,1-dioxide; 1,2-Thietane-1,1-dioxide-3-one
EINECS	Contact for details

Quality Control

Our 3-Oxothietane 1,1-Dioxide is manufactured under strict quality management protocols. Each batch is characterized and tested to ensure identity, purity, and consistency, meeting the stringent requirements for research and process development. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay (by HPLC/NMR), impurity profile, and physical characteristics is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. For long-term storage, keep the container under an inert atmosphere at a recommended temperature of 2-8°C. Allow the container to reach ambient temperature before opening to minimize moisture ingress.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Water Content (KF)	≤ 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.