Description

1,2,4-Triazolo[4,3-A]Pyridin-3-Amine, 5-Chloro- CAS NO 66999-63-1 is a high-value heterocyclic organic compound featuring a fused triazolopyridine core structure. This specialized chemical serves as a critical advanced pharmaceutical intermediate (API) and a versatile building block for medicinal chemistry research. It is primarily sought after by R&D and production teams in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for drugs targeting the central nervous system.
• Agrochemical Research: Used as a core scaffold for developing new herbicides, fungicides, and insecticides with specific modes of action.
• Medicinal Chemistry: Serves as a privileged structure in drug discovery for creating libraries of compounds for high-throughput screening.
• Organic Synthesis Building Block: Employed in complex organic synthesis to introduce the triazolopyridine moiety into larger, more complex molecules.
• Material Science Research: Investigated as a potential component in the development of organic electronic materials and ligands for catalysis.

Basic Information

Product Name	1,2,4-Triazolo[4,3-A]Pyridin-3-Amine, 5-Chloro-
CAS No.	66999-63-1
Molecular Formula	C6H4ClN5
Molecular Weight	181.58 g/mol
Synonyms	5-Chloro-[1,2,4]triazolo[4,3-a]pyridin-3-amine; 5-Chloro-1,2,4-triazolo[4,3-a]pyridin-3-amine; 5-Chloro-1H-[1,2,4]triazolo[4,3-a]pyridin-3-amine; 66999-63-1; 5-Chloro-[1,2,4]triazolopyridin-3-amine; 3-Amino-5-chloro-[1,2,4]triazolo[4,3-a]pyridine
EINECS	Contact for details

Quality Control

Our production of 1,2,4-Triazolo[4,3-A]Pyridin-3-Amine, 5-Chloro- adheres to stringent quality management systems. Every batch undergoes rigorous analytical testing, including HPLC and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) documenting all critical specifications are provided with each shipment to support your quality assurance protocols.

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 incompatible materials. For long-term storage, consider an inert atmosphere to maintain stability.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
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.