Description

5-Chloro-3-Ethyl[1,2,4]Triazolo[4,3-A]Pyridine is a high-purity heterocyclic organic compound that serves as a critical synthetic intermediate in advanced chemical synthesis. Its unique fused triazolopyridine structure makes it a valuable building block for the development of novel active pharmaceutical ingredients (APIs) and agrochemicals. This compound is primarily sought by research institutions and industrial manufacturers in the pharmaceutical and agrochemical sectors for creating new molecules with targeted biological activity.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and anti-infective agents.
• Agrochemical Synthesis: Building block for developing new generation herbicides, fungicides, and insecticides with improved efficacy.
• Material Science Research: Used in the development of organic electronic materials, such as ligands for metal-organic frameworks (MOFs) or components for organic light-emitting diodes (OLEDs).
• Chemical Biology Probes: Serves as a core scaffold for designing molecular probes to study enzyme function and biological pathways.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for client-specific custom synthesis projects.

Basic Information

Product Name	5-Chloro-3-Ethyl[1,2,4]Triazolo[4,3-A]Pyridine
CAS No.	66999-60-8
Molecular Formula	C8H7ClN4
Molecular Weight	194.62 g/mol
Synonyms	5-Chloro-3-ethyl-[1,2,4]triazolo[4,3-a]pyridine; 3-Ethyl-5-chloro-[1,2,4]triazolo[4,3-a]pyridine; 5-Chloro-3-ethyl-1,2,4-triazolo[4,3-a]pyridine; [1,2,4]Triazolo[4,3-a]pyridine, 5-chloro-3-ethyl-; 66999-60-8; 5-Chloro-3-ethyltriazolopyridine
EINECS	Contact for details

Quality Control

Our 5-Chloro-3-Ethyl[1,2,4]Triazolo[4,3-A]Pyridine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with every shipment, confirming compliance with agreed specifications. Our quality commitment supports applications requiring GMP-grade intermediates and research chemicals.

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). Keep away from heat, sparks, and open flame. For long-term storage, consider storing under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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