Description

5-Pyrimidinethiol, 1-Oxide (9Ci) is a specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters as a key precursor for developing novel pharmaceuticals and agrochemicals, particularly in the creation of sulfur-containing active molecules. It is primarily needed by research and development chemists in the pharmaceutical, agrochemical, and material science industries for constructing complex molecular architectures.

Application

• Pharmaceutical Intermediate: Serves as a critical building block for the synthesis of novel drug candidates, particularly in antiviral and anticancer research.
• Agrochemical Synthesis: Used in the development of new herbicides, fungicides, and insecticides that leverage its unique sulfur-oxygen moiety.
• Ligand and Catalyst Development: Employed in organometallic chemistry to create novel ligands for catalytic applications.
• Material Science Research: Acts as a monomer or precursor for synthesizing specialized polymers and organic electronic materials.
• Chemical Biology Probes: Utilized in the design of molecular probes to study biological pathways and enzyme functions.
• Custom Synthesis and Contract Manufacturing: A key starting material for custom synthesis projects requiring specific pyrimidine derivatives.

Basic Information

Product Name	5-Pyrimidinethiol, 1-Oxide (9Ci)
CAS No.	402726-43-6
Molecular Formula	C4H4N2OS
Molecular Weight	128.15 g/mol
Synonyms	5-Mercaptopyrimidine 1-Oxide; 5-Pyrimidinethiol 1-Oxide; 1-Hydroxy-5-mercaptopyrimidine; 5-Thiolpyrimidine N-Oxide; Pyrimidine-5-thiol 1-oxide; 1-Oxido-5-pyrimidinethiol; 402726-43-6; 5-Pyrimidinethiol, 1-Oxide
EINECS	Contact for details

Quality Control

Our 5-Pyrimidinethiol, 1-Oxide (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC for purity and NMR for structural confirmation, to ensure consistency and reliability for your synthetic workflows. Certificates of Analysis (COA) documenting identity, purity, and impurity profiles are available for every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This material is light-sensitive and easily oxidized; for long-term storage, consider maintaining under an inert atmosphere such as argon or nitrogen to preserve stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 97.0%
Water Content (KF)	≤ 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.