Description

4-Bromo-2-Chloropyridin-3-Ol is a high-purity halogenated pyridine derivative serving as a critical building block in advanced organic synthesis. Its unique substitution pattern makes it a versatile intermediate for constructing complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, particularly for the development of active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially for kinase inhibitors and other small-molecule therapeutics.
• Agrochemical Synthesis: Used in the research and production of novel herbicides, fungicides, and insecticides, leveraging its halogenated pyridine core.
• Material Science: Building block for creating specialized ligands, functional polymers, and liquid crystal materials.
• Chemical Research: Valuable reagent in academic and industrial R&D for heterocyclic chemistry, cross-coupling reactions, and structure-activity relationship (SAR) studies.
• Dye and Pigment Intermediate: Serves in the synthesis of complex organic dyes and functional pigments.

Basic Information

Item	Details
Product Name	4-Bromo-2-Chloropyridin-3-Ol
CAS No.	1211583-55-9
Molecular Formula	C5H3BrClNO
Molecular Weight	208.44 g/mol
Synonyms	3-Hydroxy-4-bromo-2-chloropyridine; 4-Bromo-2-chloro-3-hydroxypyridine; 2-Chloro-4-bromopyridin-3-ol; 4-Bromo-2-chloro-3-pyridinol; 4-Bromo-2-chloro-3(1H)-pyridinone (tautomer)
EINECS	Contact for details

Quality Control

Our 4-Bromo-2-Chloropyridin-3-Ol is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including HPLC, NMR, and GC-MS, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting full specifications are available upon request, supporting compliance with global regulatory and research standards.

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 hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
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.