Description

5-Chloro-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylic acid is a high-value heterocyclic building block containing both a triazole and a chloropyridine moiety. This compound is critical for research and development in medicinal chemistry, serving as a versatile precursor for the synthesis of novel active pharmaceutical ingredients (APIs). It is primarily sought after by pharmaceutical R&D laboratories and fine chemical manufacturers engaged in developing new therapeutic agents.

Application

• Pharmaceutical Intermediate: A key synthon for the development of potential drug candidates targeting various diseases.
• Agrochemical Research: Used in the synthesis of novel herbicides, fungicides, or insecticides due to its bioactive heterocyclic structure.
• Material Science: Serves as a precursor for creating specialized ligands, catalysts, or functional polymers.
• Chemical Biology: Employed in the design and synthesis of molecular probes for studying biological processes.
• Academic & Contract Research: Utilized in university and CRO settings for exploratory synthetic chemistry and method development.

Basic Information

Item	Detail
Product Name	5-Chloro-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylic Acid
CAS No.	1159831-56-7
Molecular Formula	C7H4ClN3O2
Molecular Weight	197.58 g/mol
Synonyms	5-Chloro-1,2,4-triazolo[4,3-a]pyridine-3-carboxylic acid; 5-Chloro-[1,2,4]triazolopyridine-3-carboxylic acid; 1159831-56-7; 5-Chloro-1H-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylic acid; 3-Carboxy-5-chloro-[1,2,4]triazolo[4,3-a]pyridine
EINECS	Contact for details

Quality Control

Our production of 5-Chloro-[1,2,4]triazolo[4,3-a]pyridine-3-carboxylic acid adheres to stringent internal quality standards to ensure batch-to-batch consistency and high purity for research applications. All batches are characterized by modern analytical techniques including HPLC, NMR, and mass spectrometry. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong acids and incompatible organic solvents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
Purity (HPLC)	≥ 97.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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