Description

5(4H)-Pyrimidinimine (9Ci) is a specialized heterocyclic organic compound with the CAS registry number 220560-92-9. This chemical serves as a crucial synthetic intermediate and building block in advanced organic synthesis, valued for its unique pyrimidine-based structure. It is primarily utilized by research institutions and industrial R&D departments in the pharmaceutical, agrochemical, and material science sectors for developing novel active ingredients and functional molecules.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel drug candidates, particularly for antiviral, anticancer, and central nervous system (CNS) active compounds.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators that leverage its heterocyclic core.
• Material Science Precursor: Serves as a monomer or precursor for creating specialty polymers, dyes, and photoactive materials.
• Academic & Contract Research: Essential reagent for methodological studies in organic chemistry, heterocyclic chemistry, and medicinal chemistry research programs.
• Chemical Library Synthesis: Employed in combinatorial chemistry and high-throughput screening for generating diverse molecular libraries.

Basic Information

Product Name	5(4H)-Pyrimidinimine (9Ci)
CAS No.	220560-92-9
Molecular Formula	C4H5N3
Molecular Weight	95.10 g/mol
Synonyms	5(4H)-Pyrimidinimine; 4H-Pyrimidin-5-imine; 5-Imino-4,5-dihydropyrimidine; Pyrimidin-5(4H)-imine; 220560-92-9; 5-Pyrimidinimine; 4,5-Dihydro-5-iminopyrimidine
EINECS	Contact for details

Quality Control

Our 5(4H)-Pyrimidinimine (9Ci) is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, documenting all critical quality parameters. We support custom synthesis and can tailor purity specifications to meet specific research or pilot-scale requirements.

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 maintaining the material under an inert atmosphere to ensure stability.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.5%

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