Description

4H-Pyrimido[1,2-B]Pyridazin-4-One, 7-Chloro- is a high-purity, heterocyclic organic compound serving as a critical building block in advanced chemical synthesis. Its unique fused pyrimido-pyridazinone structure makes it a valuable intermediate for developing novel active pharmaceutical ingredients (APIs) and agrochemicals. This compound is essential for research and production in the pharmaceutical, agrochemical, and fine chemical industries, where precise molecular architecture is required.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel drug candidates, particularly in central nervous system (CNS) and anti-infective therapeutic areas.
• Agrochemical Research: Used as a core scaffold for developing new herbicides, fungicides, and insecticides with targeted modes of action.
• Chemical Biology Probe: Serves as a specialized building block for creating molecular probes to study enzyme function and biological pathways.
• Material Science Research: Investigated as a monomer or additive for creating advanced polymers with specific electronic or thermal properties.
• Academic & Contract Research: Supplied to universities and CROs (Contract Research Organizations) for medicinal chemistry programs and library synthesis.

Basic Information

Product Name	4H-Pyrimido[1,2-B]Pyridazin-4-One, 7-Chloro-
CAS No.	88820-50-2
Molecular Formula	C7H4ClN3O
Molecular Weight	181.58 g/mol
Synonyms	7-Chloro-4H-pyrimido[1,2-b]pyridazin-4-one; 7-Chloropyrimido[1,2-b]pyridazin-4-one; 7-Chloro-4H-pyrimido[1,2-b]pyridazin-4-one; 7-Chloro-4H-pyrimido[1,2-b]pyridazin-4-one; 7-Chloro-4H-pyrimido[1,2-b]pyridazin-4-one; 7-Chloro-4H-pyrimido[1,2-b]pyridazin-4-one; 7-Chloro-4H-pyrimido[1,2-b]pyridazin-4-one; 7-Chloro-4H-pyrimido[1,2-b]pyridazin-4-one
EINECS	Contact for details

Quality Control

Our 4H-Pyrimido[1,2-B]Pyridazin-4-One, 7-Chloro- is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. We provide comprehensive analytical data, including HPLC purity, NMR, and mass spectrometry confirmation. A detailed Certificate of Analysis (COA) is supplied with each batch to meet the stringent requirements of pharmaceutical and research applications.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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