Description

1H-Pyrazolo[3,4-C]Pyridazin-3(2H)-One is a high-purity heterocyclic organic compound serving as a critical synthetic intermediate and building block in advanced chemical research. Its fused pyrazolo-pyridazine core structure makes it a valuable scaffold for developing novel active pharmaceutical ingredients (APIs) and functional materials. This compound is primarily utilized by research chemists and process development scientists in the pharmaceutical, agrochemical, and specialty chemical industries for lead optimization and new molecule synthesis.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in central nervous system (CNS) and oncology research.
• Agrochemical Research: Used as a precursor in developing new herbicides, fungicides, and insecticides with targeted modes of action.
• Chemical Biology Probe: Serves as a core structure for designing enzyme inhibitors and molecular probes to study biological pathways.
• Material Science: Investigated as a precursor for organic electronic materials, such as charge-transport layers or light-emitting components.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological development and heterocyclic chemistry studies.
• Custom Synthesis: Starting material for the contract manufacturing of proprietary compounds and specialized fine chemicals.

Basic Information

Product Name	1H-Pyrazolo[3,4-C]Pyridazin-3(2H)-One
CAS No.	2125-85-1
Molecular Formula	C5H4N4O
Molecular Weight	136.11 g/mol
Synonyms	1H-Pyrazolo[3,4-c]pyridazin-3-ol; 3-Hydroxy-1H-pyrazolo[3,4-c]pyridazine; 1H-Pyrazolo[3,4-c]pyridazin-3-one; Pyrazolo[3,4-c]pyridazin-3(2H)-one; 2125-85-1; 3-Oxo-2,3-dihydro-1H-pyrazolo[3,4-c]pyridazine
EINECS	218-340-8

Quality Control

We supply 1H-Pyrazolo[3,4-C]Pyridazin-3(2H)-One in various purity grades, including research and development (R&D) and kilogram-lab scale, to meet diverse project requirements. Our products undergo rigorous quality testing using advanced analytical techniques (HPLC, NMR, MS) to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) is provided with each batch, detailing all critical specifications. We adhere to a strict quality management system to guarantee reliable supply for your critical research and development workflows.

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 powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.