Description

Pyrazinecarboxylic Acid, 4,5-Dihydro-5-Thioxo-, Methyl Ester (9Ci) is a specialized heterocyclic building block with a unique thioxo-substituted pyrazine core. This compound matters as a key synthetic intermediate for developing novel pharmaceuticals and advanced agrochemicals, offering a versatile scaffold for further functionalization. It is primarily needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and material science industries for creating new active molecules.

Application

• As a key synthetic intermediate in pharmaceutical research for novel drug candidates.
• In the development of agrochemicals, such as herbicides and fungicides.
• As a building block for heterocyclic chemistry and ligand synthesis in coordination chemistry.
• For research into advanced materials, including organic semiconductors and metal-organic frameworks (MOFs).
• In academic and industrial R&D for exploring new chemical entities and reaction pathways.

Basic Information

Product Name	Pyrazinecarboxylic Acid, 4,5-Dihydro-5-Thioxo-, Methyl Ester (9Ci)
CAS No.	147032-26-6
Molecular Formula	C7H8N2O2S
Molecular Weight	184.21 g/mol
Synonyms	Methyl 4,5-dihydro-5-thioxo-4-pyrazinecarboxylate; 4,5-Dihydro-5-thioxo-4-pyrazinecarboxylic acid methyl ester; 5-Thioxo-4,5-dihydropyrazine-4-carboxylic acid methyl ester; Methyl 5-thioxo-4,5-dihydropyrazine-4-carboxylate; 4-Pyrazinecarboxylic acid, 4,5-dihydro-5-thioxo-, methyl ester; 147032-26-6; Methyl 5-thioxo-1,4-dihydropyrazine-4-carboxylate
EINECS	Contact for details

Quality Control

Our Pyrazinecarboxylic Acid, 4,5-Dihydro-5-Thioxo-, Methyl Ester (9Ci) is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles 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, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
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.