Description

4(3H)-Pyrimidinone, 2,6-Diamino- (9Ci) is a high-purity, heterocyclic organic compound with the CAS registry number 143504-99-8. This diaminopyrimidinone derivative serves as a critical building block in advanced organic synthesis, valued for its precise molecular structure and reactivity. It is primarily sought by research and development teams in the pharmaceutical and agrochemical industries for the creation of novel active ingredients and fine chemicals.

Application

This versatile chemical intermediate enables innovation across several high-value sectors:

• Pharmaceutical Research: A key precursor in the synthesis of nucleoside analogs, kinase inhibitors, and other potential therapeutic agents targeting various diseases.
• Agrochemical Development: Used in creating novel herbicides, fungicides, and plant growth regulators by providing a core heterocyclic scaffold.
• Fine Chemical Synthesis: Serves as a specialized building block for constructing complex molecules in custom synthesis and process development.
• Biochemical Research: Employed as a substrate or inhibitor in enzymatic studies and biochemical assays due to its structural similarity to natural pyrimidines.
• Material Science: Investigated for the development of organic semiconductors, ligands for metal-organic frameworks (MOFs), and other functional materials.

Basic Information

Product Name	4(3H)-Pyrimidinone, 2,6-Diamino- (9Ci)
CAS No.	143504-99-8
Molecular Formula	C4H6N4O
Molecular Weight	126.12 g/mol
Synonyms	2,6-Diamino-4(3H)-pyrimidinone; 2,6-Diaminopyrimidin-4(3H)-one; 2,6-Diamino-4-hydroxypyrimidine; 4-Hydroxy-2,6-diaminopyrimidine; 2,6-Diamino-4-pyrimidinol; 4-Pyrimidinol, 2,6-diamino-; 2,6-Diamino-4(1H)-pyrimidinone
EINECS	Contact for details

Quality Control

Our 4(3H)-Pyrimidinone, 2,6-Diamino- (9Ci) is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. We provide detailed Certificates of Analysis (COA) with key parameters including assay, impurity profile, and residual solvents, supporting your regulatory and R&D requirements.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect stability and performance.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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