Description

2,4(1H,3H)-Pyrimidinedione, 5-Mercapto- (9Ci) is a versatile heterocyclic building block and key intermediate in organic synthesis. This compound is valued for its reactive thiol and pyrimidinedione functional groups, which enable its use in the creation of complex molecular architectures. It is primarily sought after by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for developing novel active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: A critical precursor in the synthesis of nucleoside analogs, antiviral agents, and other bioactive molecules targeting pyrimidine metabolism.
• Agrochemical Research: Used in the development of new herbicides, fungicides, and plant growth regulators.
• Biochemical Research: Serves as a substrate or inhibitor in enzymatic studies and as a building block for modified nucleosides and nucleotides.
• Material Science: Potential monomer or cross-linking agent in the synthesis of specialty polymers and functional materials.
• Chemical Synthesis: Versatile reagent for constructing complex heterocyclic compounds through thiol-mediated coupling and cyclization reactions.

Basic Information

Product Name	2,4(1H,3H)-Pyrimidinedione, 5-Mercapto- (9Ci)
CAS No.	14020-53-2
Molecular Formula	C4H4N2O2S
Molecular Weight	144.15 g/mol
Synonyms	5-Mercaptouracil; 2,4-Dihydroxy-5-mercaptopyrimidine; 5-Thiouracil; 6-Hydroxy-2-mercapto-4(1H)-pyrimidinone; 2-Mercapto-4,6-dihydroxypyrimidine; NSC 4911; 5-Sulfanyl-1H-pyrimidine-2,4-dione
EINECS	237-847-8

Quality Control

Our 2,4(1H,3H)-Pyrimidinedione, 5-Mercapto- (9Ci) is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with key parameters including assay, related substances, and residual solvents. Our quality commitment supports applications requiring high-purity intermediates for research and development.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Due to its light-sensitive and easily oxidized nature, it is recommended to store this material under an inert atmosphere for long-term preservation and to minimize degradation.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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