Description

2(1H)-Pyrimidinone, 4-Amino-5-Methyl-, Radical Ion(1+) (9Ci) is a specialized heterocyclic organic compound with a cationic pyrimidinone core structure. This compound serves as a valuable building block and intermediate in advanced chemical synthesis, particularly where a functionalized, positively charged heterocycle is required. It is primarily utilized by research institutions and industrial R&D departments focused on developing novel pharmaceuticals, agrochemicals, and specialty materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of nucleoside analogs, antiviral agents, and other active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in developing novel herbicides, fungicides, and plant growth regulators that target specific biochemical pathways.
• Chemical Synthesis Building Block: Employed in organic synthesis to introduce the functionalized pyrimidinone moiety into more complex molecular architectures.
• Biochemical Research: Potential use as a substrate or inhibitor in enzymatic studies and biochemical assays.
• Material Science: Investigated for incorporation into specialty polymers, dyes, or photoactive materials.

Basic Information

Item	Details
Product Name	2(1H)-Pyrimidinone, 4-Amino-5-Methyl-, Radical Ion(1+) (9Ci)
CAS No.	39071-40-4
Molecular Formula	C5H8N3O+
Molecular Weight	126.14 g/mol
Synonyms	4-Amino-5-methyl-2(1H)-pyrimidinone radical ion(1+); 4-Amino-5-methylpyrimidin-2(1H)-one radical cation; 5-Methylcytosinium ion; 4-Amino-5-methyl-2-hydroxypyrimidine radical cation; 4-Amino-5-methyl-2-pyrimidinol radical ion(1+); 4-Amino-5-methyl-1H-pyrimidin-2-one radical(1+)
EINECS	Contact for details

Quality Control

Our 2(1H)-Pyrimidinone, 4-Amino-5-Methyl-, Radical Ion(1+) (9Ci) is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay (by HPLC), related substances, and residual solvents is provided with every shipment to support your quality assurance protocols.

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 minimize exposure to atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Purity (HPLC, Area %)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residual Solvents (GC)	Meets ICH guidelines

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