Description

1,3-Oxathiolan-5-One,2-Ethyl-4-Fluoro-,trans-(9Ci) is a high-purity, stereochemically defined fluorinated heterocyclic building block essential for advanced organic synthesis. This compound is valued for its unique molecular architecture, which incorporates both fluorine and sulfur-oxygen functionalities, enabling precise modifications in complex molecular frameworks. It is primarily sought after by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and specialty materials.

Application

• Pharmaceutical Intermediate: A key chiral synthon for the research and development of new drug candidates, particularly in medicinal chemistry programs targeting CNS and metabolic diseases.
• Agrochemical Synthesis: Used in the creation of advanced fluorinated pesticides and herbicides, where the fluorine atom can enhance biological activity and environmental stability.
• Material Science Research: Serves as a precursor for novel fluorinated polymers or liquid crystals with specialized optical or electronic properties.
• Asymmetric Catalysis: Employed as a ligand or a substrate in catalytic reactions to study and induce stereoselectivity.
• Chemical Biology Probes: Utilized in the design of molecular probes for studying enzyme mechanisms or biological pathways due to its fluorine label.
• Custom Synthesis & Contract Manufacturing: A critical starting material for custom synthesis houses serving the life sciences sector.

Basic Information

Product Name	1,3-Oxathiolan-5-One,2-Ethyl-4-Fluoro-,trans-(9Ci)
CAS No.	195886-10-3
Molecular Formula	C6H9FO2S
Molecular Weight	164.20 g/mol
Synonyms	trans-2-Ethyl-4-fluoro-1,3-oxathiolan-5-one; 2-Ethyl-4-fluoro-1,3-oxathiolan-5-one, trans-; (4R,5R)-2-Ethyl-4-fluoro-1,3-oxathiolan-5-one; (4S,5S)-2-Ethyl-4-fluoro-1,3-oxathiolan-5-one; 4-Fluoro-2-ethyl-1,3-oxathiolan-5-one; Fluorinated oxathiolanone; Ethylfluorooxathiolanone; 195886-10-3
EINECS	Contact for details

Quality Control

Every batch of our 1,3-Oxathiolan-5-One,2-Ethyl-4-Fluoro-,trans-(9Ci) is produced under strict quality management protocols. We guarantee high chemical and stereochemical purity, verified by advanced analytical techniques including chiral HPLC, NMR, and GC-MS. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment to ensure traceability and compliance with your research or production standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). This compound is moisture-sensitive; keep the container tightly sealed under an inert atmosphere such as nitrogen or argon to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Chiral Purity (Chiral HPLC)	≥ 98.0% de (diastereomeric excess)
Water Content (KF)	≤ 0.5%

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