Description

Trichloropyrazine CAS NO 873-40-5 is a versatile halogenated heterocyclic compound that serves as a critical synthetic intermediate in advanced chemical manufacturing. Its value lies in the reactivity of its chlorine atoms, enabling selective functionalization to create complex molecules. This product is essential for research and development chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to build novel pyrazine-based structures.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in antiviral and anticancer drug candidates.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and insecticides where the pyrazine core provides specific biological activity.
• Ligand and Catalyst Preparation: Serves as a precursor for nitrogen-containing ligands used in coordination chemistry and catalysis.
• Material Science Research: Employed in the development of organic electronic materials, such as semiconductors and light-emitting compounds.
• Custom Synthesis and Contract Manufacturing: A fundamental starting material for fine chemical producers engaged in bespoke synthesis projects.

Basic Information

Product Name	Trichloropyrazine
CAS No.	873-40-5
Molecular Formula	C4HCl3N2
Molecular Weight	183.42 g/mol
Synonyms	2,3,5-Trichloropyrazine; Pyrazine, 2,3,5-trichloro-; 2,3,5-Trichloro-1,4-diazine; Trichloro-1,4-diazine; NSC 404087; 1,4-Diazine, 2,3,5-trichloro-
EINECS	212-849-9

Quality Control

Our Trichloropyrazine is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	64 - 68 °C
Loss on Drying	≤ 0.5%
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.