Description

4-Hydroxy-5-Chloro-2-Methylthiopyrimidine is a versatile pyrimidine derivative, a key heterocyclic building block in advanced organic synthesis. Its value lies in its functionalized structure, which makes it an essential intermediate for creating complex molecules in regulated industries. This compound is primarily needed by manufacturers in the pharmaceutical and agrochemical sectors for the development of active ingredients and specialty chemicals.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for antiviral and antibacterial agents.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Chemical Research & Development: Serves as a valuable scaffold in medicinal chemistry for drug discovery and lead optimization programs.
• Fine Chemical Production: Employed in the manufacture of other specialty pyrimidine-based compounds and dyes.

Basic Information

Product Name	4-Hydroxy-5-Chloro-2-Methylthiopyrimidine
CAS No.	61044-94-8
Molecular Formula	C5H5ClN2OS
Molecular Weight	176.62 g/mol
Synonyms	5-Chloro-2-(methylthio)-4-pyrimidinol; 5-Chloro-2-methylsulfanyl-1H-pyrimidin-4-one; 5-Chloro-2-(methylthio)-4(1H)-pyrimidinone; 2-Methylmercapto-5-chloro-4-hydroxypyrimidine; 5-Chloro-4-hydroxy-2-methylthiopyrimidine; 4-Hydroxy-5-chloro-2-methylmercaptopyrimidine; 4(1H)-Pyrimidinone, 5-chloro-2-(methylthio)-
EINECS	Contact for details

Quality Control

Our 4-Hydroxy-5-Chloro-2-Methylthiopyrimidine is produced under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) upon request, detailing all relevant specifications to support your quality and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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