Description

Pyridine, 2-(5-Methyl-2-Oxido-1,2,3-Oxathiazolidin-3-Yl)-, (5S)- (9Ci) CAS NO 174955-56-7 is a high-purity, stereochemically defined heterocyclic compound featuring a fused oxathiazolidine oxide ring system. This specialized structure makes it a valuable chiral building block and intermediate in advanced synthetic chemistry. It is primarily required by pharmaceutical R&D and fine chemical synthesis teams for developing novel active ingredients and complex molecular architectures.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of new therapeutic agents, particularly for constructing complex heterocyclic cores.
• Asymmetric Synthesis: Serves as a precursor or auxiliary in catalytic and stoichiometric asymmetric reactions to introduce stereogenic centers.
• Agrochemical Research: Used in the synthesis of novel, high-performance crop protection compounds and pesticides.
• Ligand and Catalyst Development: The unique oxathiazolidine oxide moiety can be utilized to develop novel ligands for metal catalysis.
• Material Science Research: Potential intermediate for creating functionalized polymers or organic electronic materials with specific optical properties.
• Academic & Industrial R&D: Employed in chemical research for methodology development and exploring new reaction pathways.

Basic Information

Product Name	Pyridine, 2-(5-Methyl-2-Oxido-1,2,3-Oxathiazolidin-3-Yl)-, (5S)- (9Ci)
CAS No.	174955-56-7
Molecular Formula	C8H10N2O2S
Molecular Weight	198.24 g/mol
Synonyms	(5S)-2-(5-Methyl-2-oxido-1,2,3-oxathiazolidin-3-yl)pyridine; 3-Pyridin-2-yl-5-methyl-1,2,3-oxathiazolidine 2-oxide; (S)-3-(Pyridin-2-yl)-5-methyl-1,2,3-oxathiazolidine 2-oxide; 2-((5S)-5-Methyl-2-oxido-1,2,3-oxathiazolidin-3-yl)pyridine; A chiral oxathiazolidine oxide derivative; Contact for further IUPAC or trade names.
EINECS	Contact for details

Quality Control

Our production of this advanced intermediate adheres to strict quality management protocols. Each batch is characterized and tested to ensure identity, purity, and chiral integrity, with specifications tailored to customer requirements. A comprehensive Certificate of Analysis (COA) detailing results from HPLC, chiral analysis, NMR, and other relevant tests is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. For long-term storage, we recommend maintaining the product at 2-8°C under an inert atmosphere to preserve stability and chiral purity. Keep away from heat and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
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.