Description

3-Chloro[1,2,4]Triazolo[4,3-B]Pyridazine is a high-value, fused heterocyclic compound that serves as a critical building block in advanced organic synthesis. Its unique triazolopyridazine scaffold is essential for developing novel pharmaceuticals and agrochemicals with targeted biological activity. This intermediate is primarily sought by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for central nervous system (CNS) drugs and kinase inhibitors.
• Agrochemical Research: Used as a core scaffold for developing new herbicides, fungicides, and insecticides with novel modes of action.
• Material Science: Serves as a building block for creating advanced organic electronic materials, such as charge-transport layers or light-emitting components.
• Chemical Biology: Employed in the design and synthesis of molecular probes and tool compounds for studying biological pathways.
• Dye & Pigment Synthesis: Acts as an intermediate for producing specialized heterocyclic dyes and functional colorants.
• Academic & Contract Research: Utilized in university and CRO laboratories for methodological development and discovery chemistry projects.

Basic Information

Product Name	3-Chloro[1,2,4]Triazolo[4,3-B]Pyridazine
CAS No.	33050-36-1
Molecular Formula	C5H2ClN5
Molecular Weight	179.56 g/mol
Synonyms	3-Chloro[1,2,4]triazolo[4,3-b]pyridazine; 3-Chloro-1,2,4-triazolo[4,3-b]pyridazine; 3-Chloro-s-triazolo[4,3-b]pyridazine; 3-Chloro-1H-[1,2,4]triazolo[4,3-b]pyridazine; 33050-36-1; Triazolopyridazine, 3-chloro-; 3-Chloro-1,2,4-triazolopyridazine
EINECS	Contact for details

Quality Control

Our 3-Chloro[1,2,4]Triazolo[4,3-B]Pyridazine is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity for research and scale-up applications. We provide comprehensive analytical data, including HPLC purity, NMR, and mass spectrometry confirmation. A Certificate of Analysis (COA) detailing all specifications is available with every shipment and upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from incompatible materials. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms
Identification (IR)	Conforms
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.