Description

5(4H)-Pyrimidinethione (9Ci) is a heterocyclic organic compound featuring a pyrimidine core with a thione functional group. This specific molecular architecture makes it a valuable synthetic intermediate and building block in advanced organic chemistry. It is primarily utilized by research institutions and industrial R&D departments engaged in the development of novel pharmaceuticals, agrochemicals, and functional materials. The compound is supplied with a high level of purity and batch-to-batch consistency to ensure reliable experimental and process outcomes.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of potential drug candidates, particularly those targeting enzymes or receptors where the pyrimidinethione scaffold is pharmacologically active.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and insecticides, leveraging its heterocyclic structure for bioactivity.
• Material Science: Acts as a building block for creating specialized polymers, ligands for metal-organic frameworks (MOFs), or organic electronic materials.
• Chemical Synthesis: Employed in academic and industrial laboratories for constructing complex heterocyclic systems and in methodological studies (e.g., thiol-thione tautomerism).
• Bioconjugation & Probe Development: The thione group can be utilized for conjugation chemistry in the design of biochemical probes and diagnostic agents.

Basic Information

Product Name	5(4H)-Pyrimidinethione (9Ci)
CAS No.	220560-98-5
Molecular Formula	C4H4N2S
Molecular Weight	112.15 g/mol
Synonyms	4H-Pyrimidine-5-thione; 5-Mercaptopyrimidine; 5-Pyrimidinethiol; 5-Thioxo-4,5-dihydropyrimidine; Pyrimidine-5(4H)-thione; 220560-98-5; 5(4H)-Pyrimidinthione
EINECS	Contact for details

Quality Control

Every batch of 5(4H)-Pyrimidinethione (9Ci) is produced and analyzed under strict quality management protocols. We employ advanced analytical techniques including HPLC, GC, and NMR spectroscopy to verify identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with each shipment to support your quality assurance and regulatory documentation needs.

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 strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder/crystals
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.