Description

3-Pyridinesulfinicacid(6Ci) is a specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its role as a key intermediate in the development of pharmaceuticals, agrochemicals, and functional materials, enabling the introduction of the sulfinic acid moiety into complex molecular architectures. It is primarily needed by research institutions and industrial R&D departments focused on medicinal chemistry, ligand synthesis, and the creation of novel chemical entities. The compound is supplied with a CAS number of 101084-77-9.

Application

• Pharmaceutical Intermediate: Serves as a crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly those containing pyridine and sulfonamide/sulfone functionalities.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and insecticides, leveraging its heterocyclic core for bioactivity.
• Ligand and Catalyst Development: Employed in the preparation of specialized ligands for metal catalysis and coordination chemistry due to its potential donor atoms.
• Material Science Research: Acts as a building block for creating functionalized polymers, organic semiconductors, and other advanced materials.
• Chemical Biology Probes: Utilized in the design and synthesis of molecular probes for studying biological pathways and enzyme inhibition.
• Custom Synthesis and Contract Manufacturing: A valuable starting material for custom synthesis projects and scale-up processes in fine chemical production.

Basic Information

Product Name	3-Pyridinesulfinicacid(6Ci)
CAS No.	101084-77-9
Molecular Formula	C5H5NO2S
Molecular Weight	143.16 g/mol
Synonyms	3-Pyridinesulfinic Acid; Pyridine-3-sulfinic Acid; 3-Sulfinopyridine; 3-Pyridylsulfinic Acid; 3-Pyridinesulfinic acid (6CI); 3-Pyridinesulphinic Acid; 101084-77-9 (CAS)
EINECS	Contact for details

Quality Control

Our 3-Pyridinesulfinicacid(6Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure it meets the high standards required for research and development applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to handle and store the material under an inert atmosphere for long-term stability. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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