Description

3,5-Dichloropyridine-4-Sulfonic Acid is a versatile and highly functionalized pyridine derivative, serving as a critical building block in advanced organic synthesis. Its value lies in the strategic positioning of reactive chlorine and sulfonic acid groups, which enable precise chemical modifications for creating complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it is used to develop novel active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for drugs targeting the central nervous system and anti-infective agents.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides, leveraging its halogenated pyridine core.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands used in metal-catalyzed cross-coupling reactions and other catalytic processes.
• Functional Material Research: Employed in the research and development of organic electronic materials, dyes, and photoactive compounds.
• Chemical Biology Probes: Utilized to synthesize molecular probes and tags for studying biological systems and enzyme mechanisms.
• Custom Synthesis and Contract Manufacturing: A fundamental substrate for custom synthesis projects requiring the introduction of sulfonic acid and dichloro-substituted pyridine motifs.

Basic Information

Product Name	3,5-Dichloropyridine-4-Sulfonic Acid
CAS No.	872273-26-2
Molecular Formula	C5H3Cl2NO3S
Molecular Weight	227.05 g/mol
Synonyms	4-Pyridinesulfonic acid, 3,5-dichloro-; 3,5-Dichloro-4-pyridinesulfonic acid; 3,5-Dichloro-4-sulfopyridine; 3,5-Dichloropyridine-4-sulfonate; 872273-26-2; 3,5-Dichloro-4-pyridylsulfonic acid; 4-Sulfo-3,5-dichloropyridine
EINECS	Contact for details

Quality Control

Our 3,5-Dichloropyridine-4-Sulfonic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment and is available upon request.

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 strong acid nature, keep away from incompatible materials such as strong bases and oxidizing agents. Handle and store in accordance with good laboratory and manufacturing practices.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 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.