Description

5-Chloro-6-Hydroxy-2-Methylpyrimidin-4(3H)-One is a versatile pyrimidine derivative that serves as a critical building block in advanced organic synthesis. Its unique halogenated and hydroxylated structure makes it a valuable intermediate for creating complex molecules with specific biological or material properties. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients or functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel antiviral, antibacterial, or anticancer drug candidates.
• Agrochemical Synthesis: Building block for developing advanced herbicides, fungicides, or plant growth regulators.
• Chemical Research: Used in academic and industrial R&D for exploring new heterocyclic chemistry and reaction pathways.
• Material Science: Potential monomer or modifier in the production of specialty polymers and advanced organic materials.
• Dye & Pigment Intermediate: Serves in the synthesis of complex colorants and functional dyes.

Basic Information

Product Name	5-Chloro-6-Hydroxy-2-Methylpyrimidin-4(3H)-One
CAS No.	1194-76-9
Molecular Formula	C5H5ClN2O2
Molecular Weight	160.56 g/mol
Synonyms	5-Chloro-6-hydroxy-2-methyl-4(3H)-pyrimidinone; 5-Chloro-6-hydroxy-2-methylpyrimidin-4-ol; 2-Methyl-5-chloro-6-hydroxypyrimidin-4(3H)-one; 4-Hydroxy-5-chloro-6-methyl-2-pyrimidinone; 5-Chloro-2-methyl-6-hydroxypyrimidin-4(3H)-one; 5-Chloro-6-hydroxy-2-methyl-3,4-dihydropyrimidin-4-one
EINECS	214-795-7

Quality Control

Our 5-Chloro-6-Hydroxy-2-Methylpyrimidin-4(3H)-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) detailing all specifications, and our quality commitment aligns with cGMP principles for pharmaceutical intermediates. Custom purity grades and specific impurity profiles are available to meet your project 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). Keep away from incompatible materials such as strong bases and strong oxidizing agents. The container should be kept tightly sealed to minimize moisture absorption.

Specification

Item	Specification
Appearance	White to off-white crystalline 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.