Description

Pyrimido[5,4-C]Pyridazin-8(7H)-One (8Ci) is a high-purity heterocyclic organic compound serving as a critical building block in advanced chemical synthesis. This specialized intermediate is valued for its unique fused-ring structure, which enables the development of novel molecular architectures with targeted biological or material properties. It is primarily sought by research and development teams in the pharmaceutical, agrochemical, and specialty chemical industries for creating new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel drug candidates, particularly for central nervous system (CNS) and oncology targets.
• Agrochemical Research: Used in developing new classes of herbicides, fungicides, or insecticides with novel modes of action.
• Material Science: Serves as a building block for organic electronic materials, such as charge-transport layers or light-emitting components.
• Chemical Biology Probe Development: Utilized to create tool compounds for studying enzyme function and biological pathways.
• Academic & Contract Research: Employed in university and CRO laboratories for methodological development and discovery chemistry.
• Custom Synthesis: A starting material for the contract manufacturing of complex, proprietary molecules for clients.

Basic Information

Product Name	Pyrimido[5,4-C]Pyridazin-8(7H)-One (8Ci)
CAS No.	21147-71-7
Molecular Formula	C7H4N4O
Molecular Weight	160.13 g/mol
Synonyms	7H-Pyrimido[5,4-c]pyridazin-8-one; Pyrimido[5,4-c]pyridazin-8(7H)-one; 8H-Pyrimido[5,4-c]pyridazin-8-one; 21147-71-7; UNII-1F1C8Q9ZR8; 1F1C8Q9ZR8; SCHEMBL218090; BCP31863; ZINC000003869901; DTXSID90422397
EINECS	Contact for details

Quality Control

Every batch of Pyrimido[5,4-C]Pyridazin-8(7H)-One (8Ci) is manufactured under strict quality management systems and undergoes comprehensive analytical testing. We ensure compliance with relevant industry standards for research-grade and advanced intermediate chemicals. A detailed Certificate of Analysis (COA) confirming identity, purity, and impurity profiles is provided with each shipment to guarantee reproducible results for your synthetic workflows.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Purity (HPLC)	≥ 97.0%
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.