Description

2-Butylthio-5-Methylpyrimidin-4(1H)-One is a specialized pyrimidinone derivative, a key heterocyclic building block valued for its unique sulfur-containing side chain. This compound matters for its role as a versatile intermediate in the synthesis of more complex molecules, particularly in the pharmaceutical and agrochemical sectors. It is needed by R&D chemists and process development scientists working on active pharmaceutical ingredients (APIs), crop protection agents, and advanced material science. The CAS number for this compound is provided in the table below.

Application

• Pharmaceutical Intermediate: A crucial building block in the synthesis of novel drug candidates, particularly those targeting various enzyme systems.
• Agrochemical Synthesis: Used in the research and development of new herbicides, fungicides, and insecticides, leveraging its pyrimidine core.
• Chemical Research & Development: Serves as a versatile scaffold for medicinal chemistry and structure-activity relationship (SAR) studies.
• Material Science Precursor: Potential use in the development of organic electronic materials or ligands for catalytic systems.
• Custom Synthesis & Contract Manufacturing: Supplied to CDMOs (Contract Development and Manufacturing Organizations) for the production of client-specific target molecules.

Basic Information

Product Name	2-Butylthio-5-Methylpyrimidin-4(1H)-One
CAS No.	54845-20-4
Molecular Formula	C9H14N2OS
Molecular Weight	198.28 g/mol
Synonyms	5-Methyl-2-(butylthio)-4(1H)-pyrimidinone; 2-Butylmercapto-5-methyl-4-pyrimidinol; 4-Hydroxy-5-methyl-2-(butylthio)pyrimidine; 2-(Butylthio)-5-methyl-4(1H)-pyrimidinone; 2-Butylsulfanyl-5-methyl-1H-pyrimidin-4-one; 54845-20-4; 5-Methyl-2-(butylsulfanyl)-1H-pyrimidin-4-one
EINECS	Contact for details

Quality Control

Our 2-Butylthio-5-Methylpyrimidin-4(1H)-One is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets precise customer specifications and high industry standards. Certificates of Analysis (COA) with detailed batch results are provided to guarantee supply reliability and product consistency for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (typically 15-25°C). The compound may be hygroscopic (moisture-sensitive); keep the container tightly sealed in a dry environment.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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