Description

4(1H)-Pyrimidinone, 5-Amino-6-Chloro- (9Ci) is a high-purity, heterocyclic organic compound that serves as a critical building block in advanced chemical synthesis. Its value lies in its functionalized pyrimidinone core, which is essential for constructing complex molecules with specific biological or material properties. This intermediate is primarily needed by research institutions and pharmaceutical companies engaged in the development of novel active pharmaceutical ingredients (APIs) and agrochemicals.

Application

• Pharmaceutical Intermediate: A key synthon in the research and development of novel drug candidates, particularly in antiviral and anticancer therapeutic areas.
• Agrochemical Synthesis: Used as a precursor in the manufacture of advanced pesticides and herbicides, leveraging its heterocyclic structure.
• Chemical Research: Serves as a versatile building block in organic chemistry for constructing complex nitrogen-containing heterocycles.
• Material Science: Investigated for potential use in the synthesis of specialty polymers and functional organic materials.
• Bioconjugate Chemistry: Its reactive amino and chloro groups make it suitable for creating targeted molecular probes and diagnostic agents.

Basic Information

Product Name	4(1H)-Pyrimidinone, 5-Amino-6-Chloro- (9Ci)
CAS No.	3137-60-8
Molecular Formula	C4H4ClN3O
Molecular Weight	145.55 g/mol
Synonyms	5-Amino-6-chloro-1H-pyrimidin-4-one; 5-Amino-6-chloro-4(1H)-pyrimidinone; 6-Chloro-5-aminopyrimidin-4(3H)-one; 5-Amino-6-chloropyrimidin-4-ol; 5-Amino-6-chloro-4-hydroxypyrimidine; 6-Chloro-5-aminouracil; 5-Amino-6-chloro-2,4(1H,3H)-pyrimidinedione (tautomer)
EINECS	221-529-8

Quality Control

Our 4(1H)-Pyrimidinone, 5-Amino-6-Chloro- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistency, meeting the stringent requirements for research and process development. Certificates of Analysis (COA) with detailed chromatographic and spectroscopic data are provided to guarantee traceability and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep the container tightly sealed to protect from moisture.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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