Description

4-Pyrimidinethiol, 1,3-Dioxide (9Ci) is a specialized heterocyclic building block of significant interest in advanced organic synthesis. This compound matters for its unique sulfone and thiol functional groups, which enable precise molecular modifications in complex chemical architectures. It is primarily needed by research chemists and process development scientists in the pharmaceutical and agrochemical industries for the development of novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Serves as a key precursor in the synthesis of novel drug candidates, particularly those targeting specific enzyme inhibitors.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators.
• Material Science: Acts as a building block for creating advanced polymers and ligands with specific electronic or binding properties.
• Chemical Biology Probe: Utilized in the design of molecular probes to study biological pathways and protein interactions.
• Catalyst Ligand Synthesis: Employed in the preparation of specialized ligands for transition metal catalysis.
• Academic & Industrial R&D: A valuable reagent for methodological development and exploratory chemistry in research laboratories.

Basic Information

Product Name	4-Pyrimidinethiol, 1,3-Dioxide (9Ci)
CAS No.	402726-42-5
Molecular Formula	C4H4N2O2S
Molecular Weight	144.15 g/mol
Synonyms	1,3-Dioxo-1,3-dihydropyrimidine-4-thiol; 4-Mercapto-1,3-dioxopyrimidine; 4-Thioxo-3,4-dihydropyrimidine-1,3(2H)-dione; 4-Pyrimidinethiol, 1,3-dihydro-1,3-dioxo-; 1,3-Dioxo-1,3-dihydro-4-pyrimidinethiol; 4-Thiouracil 1,3-dioxide; 4-Thiouracil S,S-dioxide
EINECS	Contact for details

Quality Control

Our 4-Pyrimidinethiol, 1,3-Dioxide (9Ci) is produced under strict quality management protocols. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with every shipment to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen or argon) due to its sensitivity to oxidation. Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 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.