Description

4(1H)-Pyrimidinone, 6-Amino-5-Ethyl- (9Ci) is a specialized heterocyclic organic compound belonging to the aminopyrimidinone class, serving as a crucial building block in advanced chemical synthesis. Its value lies in its role as a versatile intermediate for constructing complex molecular architectures, particularly in the development of active pharmaceutical ingredients (APIs). This high-purity intermediate is essential for research and production teams in the pharmaceutical, agrochemical, and fine chemical sectors who require reliable, high-quality raw materials for innovative synthesis.

Application

This compound is a key synthetic intermediate with applications across several high-value industries:

• Pharmaceutical Intermediates: Core building block for the synthesis of novel drug candidates, particularly in antiviral, anticancer, and central nervous system (CNS) therapeutic research.
• Agrochemical Synthesis: Used in the development of advanced pesticides, herbicides, and fungicides where the pyrimidinone scaffold imparts specific biological activity.
• Fine Chemical Production: Employed in custom synthesis and contract manufacturing for producing specialty chemicals and complex organic molecules.
• Biochemical Research: Serves as a precursor or reference standard in biochemical studies and enzymatic research.
• Material Science: Potential use in the development of organic electronic materials and advanced polymers.

Basic Information

Product Name	4(1H)-Pyrimidinone, 6-Amino-5-Ethyl- (9Ci)
CAS No.	103980-50-3
Molecular Formula	C6H9N3O
Molecular Weight	139.16 g/mol
Synonyms	6-Amino-5-ethylpyrimidin-4(1H)-one; 5-Ethyl-6-aminopyrimidin-4(3H)-one; 6-Amino-5-ethyl-4(1H)-pyrimidinone; 5-Ethyl-6-amino-4-pyrimidinol; 4-Hydroxy-5-ethyl-6-aminopyrimidine; 6-Amino-5-ethyl-1H-pyrimidin-4-one; 103980-50-3; 6-Amino-5-ethyl-1,4-dihydropyrimidin-4-one
EINECS	Contact for details

Quality Control

Our production of 4(1H)-Pyrimidinone, 6-Amino-5-Ethyl- (9Ci) adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. We provide full traceability and detailed Certificates of Analysis (COA) with each shipment, confirming compliance with agreed specifications. Our quality system is designed to support cGMP and ISO standards for customers in regulated industries.

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). Due to its hygroscopic nature, the container must be kept tightly sealed after opening to minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Purity (HPLC, Area %)	≥ 99.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Single Unknown Impurity (HPLC)	≤ 0.5%
Total Impurities (HPLC)	≤ 1.0%

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