Description

6-Amino-5-chloropyridine-3-sulfonic acid is a high-purity, multifunctional heterocyclic building block essential for advanced organic synthesis. This compound matters as a key intermediate in the development of active pharmaceutical ingredients (APIs) and specialty agrochemicals, offering a unique combination of reactive sites for derivatization. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel drug candidates, particularly in kinase inhibitor and antiviral research.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and insecticides, leveraging its chloropyridine core.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized ligands used in transition metal catalysis.
• Dye and Pigment Manufacturing: Employed in the synthesis of specialized azo dyes and functional pigments.
• Material Science Research: Acts as a monomer or functional additive in the development of conductive polymers or metal-organic frameworks (MOFs).
• Chemical Biology Probes: Utilized to create labeled compounds and molecular probes for biochemical research.

Basic Information

Product Name	6-Amino-5-chloropyridine-3-sulfonic Acid
CAS No.	610275-89-3
Molecular Formula	C5H5ClN2O3S
Molecular Weight	208.62 g/mol
Synonyms	5-Chloro-6-aminopyridine-3-sulfonic acid; 3-Pyridinesulfonic acid, 6-amino-5-chloro-; 6-Amino-5-chloro-3-pyridinesulfonic acid; 5-Chloro-6-amino-3-pyridinesulfonic acid; 6-Amino-5-chloro-3-sulfopyridine; 2-Amino-3-chloro-5-sulfopyridine; 5-Chloro-2-amino-3-sulfopyridine; 3-Sulfo-6-amino-5-chloropyridine
EINECS	Contact for details

Quality Control

Our 6-Amino-5-chloropyridine-3-sulfonic acid is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing to ensure it meets the highest standards of purity and consistency for research and industrial use. Certificates of Analysis (COA) with detailed HPLC/GC and NMR data are provided to guarantee reliable performance in your synthetic applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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