Description

4H-1,3-Oxathiin is a heterocyclic organic compound featuring a six-membered ring containing both oxygen and sulfur atoms. This unique structure makes it a valuable intermediate and building block in advanced organic synthesis, particularly for the development of novel agrochemicals and pharmaceuticals. It is primarily sought by research and development chemists, as well as process development teams in the fine chemical and life sciences industries.

Application

• Agrochemical Intermediate: A key precursor in the synthesis of novel pesticides, herbicides, and fungicides.
• Pharmaceutical Research: Serves as a core scaffold for developing new active pharmaceutical ingredients (APIs) with potential biological activity.
• Organic Synthesis Building Block: Used in the construction of complex heterocyclic molecules for material science and chemical research.
• Ligand and Catalyst Development: Employed in the design of specialized ligands for catalytic systems in asymmetric synthesis.
• Polymer Chemistry: Can be incorporated as a monomer or modifier to impart specific properties to polymeric materials.

Basic Information

Product Name	4H-1,3-Oxathiin
CAS No.	290-21-1
Molecular Formula	C4H6OS
Molecular Weight	102.15 g/mol
Synonyms	4H-1,3-Oxathiine; 1,3-Oxathiin, 4H-; 4H-1,3-Oxathin; 1-Oxa-4-thiacyclohexa-2,5-diene; Dihydro-1,3-oxathiin
EINECS	206-005-9

Quality Control

Our 4H-1,3-Oxathiin is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and structural confirmation, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (typically 15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Purity (GC/HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%

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