Description

3-Bromo-5-Chloro-[1,2,4]Triazolo[4,3-A]Pyridine is a high-purity, heterocyclic organic compound that serves as a critical building block in advanced chemical synthesis. Its fused triazolopyridine structure, functionalized with bromo and chloro substituents, makes it a versatile intermediate for constructing complex molecular architectures. This compound is primarily utilized by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of potential drug candidates, particularly for central nervous system (CNS) and anti-infective targets.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides due to its bioactive heterocyclic core.
• Material Science: Serves as a building block for creating specialized ligands, catalysts, and organic electronic materials.
• Academic & R&D: Employed in medicinal chemistry programs for structure-activity relationship (SAR) studies and library synthesis.
• Chemical Synthesis: Utilized in cross-coupling reactions (e.g., Suzuki, Buchwald-Hartwig) to introduce the triazolopyridine moiety into more complex molecules.

Basic Information

Product Name	3-Bromo-5-Chloro-[1,2,4]Triazolo[4,3-A]Pyridine
CAS No.	66999-64-2
Molecular Formula	C6H3BrClN3
Molecular Weight	232.47 g/mol
Synonyms	3-Bromo-5-chloro-[1,2,4]triazolo[4,3-a]pyridine; 5-Chloro-3-bromo-[1,2,4]triazolo[4,3-a]pyridine; [1,2,4]Triazolo[4,3-a]pyridine, 3-bromo-5-chloro-; 3-Bromo-5-chloro-1,2,4-triazolo[4,3-a]pyridine
EINECS	Contact for details

Quality Control

Our 3-Bromo-5-Chloro-[1,2,4]Triazolo[4,3-A]Pyridine is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all specifications are provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

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