Description

Pyridine, 2-(5-Methyl-2-Oxido-1,2,3-Oxathiazolidin-3-Yl)-, (2S-Cis)- (9Ci) is a specialized chiral heterocyclic compound featuring a fused oxathiazolidine oxide ring system. This unique molecular architecture makes it a valuable advanced pharmaceutical intermediate and a versatile building block for asymmetric synthesis. It is primarily required by research institutions and manufacturers in the pharmaceutical and agrochemical sectors for developing novel active ingredients with specific stereochemistry.

Application

• Pharmaceutical Intermediate: Key chiral synthon in the synthesis of complex drug candidates, particularly those targeting neurological or infectious diseases.
• Agrochemical Research: Building block for developing new, stereoselective pesticides and herbicides with improved efficacy and environmental profiles.
• Asymmetric Catalysis: Potential ligand or precursor for chiral catalysts used in enantioselective chemical transformations.
• Organic Synthesis: Used in academic and industrial R&D for constructing nitrogen- and sulfur-containing heterocycles of biological interest.
• Chemical Biology Probe: Useful for creating molecular probes to study enzyme mechanisms or biological pathways.

Basic Information

Product Name	Pyridine, 2-(5-Methyl-2-Oxido-1,2,3-Oxathiazolidin-3-Yl)-, (2S-Cis)- (9Ci)
CAS No.	174955-55-6
Molecular Formula	C8H10N2O3S
Molecular Weight	214.24 g/mol
Synonyms	(2S,3S)-2-Methyl-3-(pyridin-2-yl)-1,2,3-oxathiazolidine 2-oxide; 2-[(2S,3S)-2-Methyl-2-oxido-1,2,3-oxathiazolidin-3-yl]pyridine; (2S,3S)-2-Methyl-3-(2-pyridyl)-1,2,3-oxathiazolidine 2-oxide; (2S-cis)-2-(5-Methyl-2-oxido-1,2,3-oxathiazolidin-3-yl)pyridine; 2-(5-Methyl-2-oxido-1,2,3-oxathiazolidin-3-yl)pyridine, (2S-cis)-; Chiral oxathiazolidine oxide; Pyridine-oxathiazolidine conjugate
EINECS	Contact for details

Quality Control

Our production of this high-value intermediate adheres to strict quality management systems. Each batch is characterized and tested to ensure identity, purity, and enantiomeric excess meet rigorous standards suitable for research and cGMP manufacturing. A comprehensive Certificate of Analysis (COA) detailing chiral purity (by chiral HPLC), assay, and impurity profile is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at controlled room temperature (15-25°C). Keep the container tightly sealed under an inert atmosphere to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Chiral Purity (Chiral HPLC)	≥ 99.0% ee
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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