Description

3,5-Diiodo-4-pyridinethiol is a halogenated pyridine derivative characterized by its sulfur-containing thiol group and two iodine substituents. This compound serves as a versatile and valuable chemical building block and intermediate in advanced organic synthesis. It is primarily utilized by research institutions and industrial R&D departments focused on developing novel pharmaceuticals, agrochemicals, and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds targeting thyroid function or requiring iodine-containing motifs.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators, leveraging its heterocyclic structure.
• Ligand Synthesis: Acts as a starting material for creating complexing agents and ligands in coordination chemistry and catalysis.
• Material Science: Employed in the research of organic electronic materials, such as semiconductors or conductive polymers, due to its electron-rich pyridine core.
• Chemical Biology Probe: Useful for modifying proteins or other biomolecules, aiding in biochemical research and diagnostic development.
• Cross-Coupling Reactions: Serves as a substrate in palladium-catalyzed cross-coupling reactions (e.g., Suzuki, Stille) to construct complex biaryl systems.

Basic Information

Product Name	3,5-Diiodo-4-pyridinethiol
CAS No.	63905-96-4
Molecular Formula	C5H3I2NS
Molecular Weight	388.96 g/mol
Synonyms	4-Pyridinethiol, 3,5-diiodo-; 3,5-Diiodopyridine-4-thiol; 4-Mercapto-3,5-diiodopyridine; 3,5-Diiodo-4-mercaptopyridine; 4-Thiol-3,5-diiodopyridine; DIIT; 3,5-Diiodo-4-thiopyridinol
EINECS	Contact for details

Quality Control

Our 3,5-Diiodo-4-pyridinethiol is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure high purity and consistency. We provide comprehensive Certificates of Analysis (COA) detailing purity, identity, and impurity profiles, supporting compliance with research and development standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its light-sensitive nature and propensity for oxidation, it is recommended to handle under an inert atmosphere for long-term storage and to minimize exposure to air and moisture.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 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.