Description

4(1H)-Pyrimidinethione, 5-Methoxy- (9Ci) is a specialized heterocyclic sulfur compound that serves as a valuable synthetic intermediate and building block in advanced organic chemistry. Its unique pyrimidinethione core functionalized with a methoxy group makes it a critical precursor for the development of novel pharmaceuticals and agrochemicals. This high-purity compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and fine chemical industries seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel drug candidates, particularly for antiviral, anticancer, and central nervous system (CNS) active compounds.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators due to its bioactive pyrimidine scaffold.
• Fine Chemical Synthesis: Serves as a versatile precursor for creating complex heterocyclic molecules in custom synthesis and process development.
• Material Science: Investigated as a monomer or ligand for the creation of functional polymers and coordination complexes with specific electronic properties.
• Biochemical Research: Utilized as a substrate or inhibitor in enzymatic studies and biochemical pathway analysis.

Basic Information

Product Name	4(1H)-Pyrimidinethione, 5-Methoxy- (9Ci)
CAS No.	51793-91-0
Molecular Formula	C5H6N2OS
Molecular Weight	142.18 g/mol
Synonyms	5-Methoxypyrimidine-4-thiol; 5-Methoxy-4-pyrimidinethiol; 5-Methoxy-4(1H)-pyrimidinethione; 4-Pyrimidinethiol, 5-methoxy-; 5-Methoxy-4-mercaptopyrimidine; 4(1H)-Pyrimidinethione, 5-methoxy-; 5-Methoxy-1H-pyrimidine-4-thione
EINECS	Contact for details

Quality Control

Our production of 4(1H)-Pyrimidinethione, 5-Methoxy- (9Ci) adheres to stringent quality control protocols to ensure batch-to-batch consistency and high purity for research and industrial use. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
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.