Description

[1,2,3]Triazolo[1,5-A]Pyridine-3-Carbonyl Chloride (9Ci) is a high-value heterocyclic building block and key reactive intermediate in advanced organic synthesis. This compound matters because its reactive acid chloride group enables efficient coupling reactions, facilitating the rapid construction of complex molecular architectures. It is primarily needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the synthesis of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A crucial building block for the synthesis of novel drug candidates, particularly in medicinal chemistry programs targeting various disease pathways.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging the triazolopyridine scaffold.
• Ligand and Catalyst Development: Serves as a precursor for creating specialized ligands used in catalysis and metal-organic frameworks (MOFs).
• Material Science Research: Employed in the synthesis of organic electronic materials, such as charge-transport layers or light-emitting components.
• Chemical Biology Probes: Useful for labeling and modifying biomolecules to study biological processes and interactions.
• Custom Synthesis and Contract Manufacturing: A key starting material for custom synthesis houses and CDMOs (Contract Development and Manufacturing Organizations) producing specialized compounds for clients.

Basic Information

Item	Details
Product Name	[1,2,3]Triazolo[1,5-A]Pyridine-3-Carbonyl Chloride (9Ci)
CAS No.	87838-57-1
Molecular Formula	C7H4ClN3O
Molecular Weight	181.58 g/mol
Synonyms	1,2,3-Triazolo[1,5-a]pyridine-3-carbonyl chloride; Triazolopyridine-3-carbonyl chloride; 3-Carboxytriazolopyridine chloride; 1,2,3-Triazolo[1,5-a]pyridine-3-carboxylic acid chloride; TPCC; Contact for additional synonyms.
EINECS	Contact for details

Quality Control

Our [1,2,3]Triazolo[1,5-A]Pyridine-3-Carbonyl Chloride (9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for research and process chemistry. Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data (HPLC, NMR) are provided to guarantee traceability and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place. Due to its hygroscopic (moisture-sensitive) nature, the container must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition. Recommended long-term storage temperature is 2-8°C.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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