Description

3,5-Dibromopyridine-2-Sulfonic Acid is a high-purity, multi-functional brominated heterocyclic building block essential for advanced chemical synthesis. This compound matters because it provides a reactive sulfonic acid group and two bromine atoms on a pyridine scaffold, enabling precise derivatization for creating complex molecular architectures. It is primarily needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for developing new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for kinase inhibitors and other small-molecule therapeutics.
• Agrochemical Synthesis: Used to construct advanced herbicide and pesticide molecules, leveraging its halogenated structure for bioactivity.
• Ligand and Catalyst Development: Serves as a starting material for creating specialized ligands in transition metal catalysis and organocatalysis.
• Material Science Research: Building block for synthesizing functionalized polymers, metal-organic frameworks (MOFs), and electronic materials.
• Custom Synthesis & Contract Manufacturing: A critical reagent for custom synthesis houses and CDMOs (Contract Development and Manufacturing Organizations) serving global clients.
• Academic & Industrial R&D: Fundamental research tool in medicinal chemistry and chemical biology for probing structure-activity relationships.

Basic Information

Item	Detail
Product Name	3,5-Dibromopyridine-2-Sulfonic Acid
CAS No.	856163-60-5
Molecular Formula	C5H3Br2NO3S
Molecular Weight	316.95 g/mol
Synonyms	2-Pyridinesulfonic acid, 3,5-dibromo-; 3,5-Dibromo-2-pyridinesulfonic acid; 3,5-Dibromopyridine-2-sulphonic acid; 856163-60-5; DBPSA; 2-Sulfo-3,5-dibromopyridine
EINECS	Contact for details

Quality Control

Every batch of 3,5-Dibromopyridine-2-Sulfonic Acid is manufactured and tested under a strict quality management system. We provide comprehensive analytical data to ensure the material meets the high standards required for research and commercial synthesis. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is supplied with each shipment. Our quality protocols are designed to support compliance with cGMP and ISO guidelines for advanced intermediates.

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

Specification

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

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