Description

5(2H)-Pyrimidinethione (9Ci) is a sulfur-containing heterocyclic compound that serves as a versatile building block in advanced organic synthesis. Its unique thiocarbonyl functional group makes it a critical intermediate for developing novel pharmaceuticals and agrochemicals. This high-purity material is essential for researchers and manufacturers in medicinal chemistry, material science, and fine chemical production who require reliable, high-quality intermediates for complex synthesis pathways.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of nucleoside analogs, antiviral agents, and other bioactive molecules targeting various therapeutic areas.
• Agrochemical Research: Building block for developing new herbicides, fungicides, and plant growth regulators with novel modes of action.
• Material Science: Used in the research and development of organic electronic materials, ligands for metal-organic frameworks (MOFs), and specialty polymers.
• Chemical Synthesis: Serves as a versatile synthon for introducing the pyrimidinethione moiety into more complex molecular architectures in fine chemical and custom synthesis projects.
• Biochemical Research: Potential use in studying enzyme inhibition and as a probe or precursor in biochemical assay development.

Basic Information

Product Name	5(2H)-Pyrimidinethione (9Ci)
CAS No.	220561-00-2
Molecular Formula	C4H4N2S
Molecular Weight	112.15 g/mol
Synonyms	5(2H)-Pyrimidinethione; 2H-Pyrimidine-5-thione; 5-Mercaptopyrimidine; 5-Pyrimidinethiol; 5-Thioxo-2,5-dihydropyrimidine; Pyrimidine-5(2H)-thione; 220561-00-2 (CAS)
EINECS	Contact for details

Quality Control

Our 5(2H)-Pyrimidinethione is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and purity determination, to meet the exacting standards required for research and development. A Certificate of Analysis (COA) detailing all test results is provided with every shipment, ensuring full traceability and compliance with your internal quality protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (typically 15-25°C). Keep away from strong oxidizing agents. For long-term storage, consider storing under an inert atmosphere to maintain optimal stability.

Specification

Item	Specification
Appearance	White to off-white powder or crystalline solid
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%

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