Description

Pyrazine, 2,3-Diethynyl- (9Ci) is a specialized heterocyclic organic compound featuring a pyrazine core functionalized with two ethynyl groups, serving as a versatile and valuable building block in advanced chemical synthesis. Its unique conjugated structure and terminal alkyne functionalities make it a critical precursor for constructing complex molecular architectures, particularly in materials science and pharmaceutical research. This high-purity intermediate is essential for researchers and manufacturers in organic electronics, agrochemical development, and the synthesis of novel active pharmaceutical ingredients (APIs).

Application

• Organic Electronic Materials: A key monomer for synthesizing conjugated polymers and small molecules used in Organic Light-Emitting Diodes (OLEDs), Organic Photovoltaics (OPVs), and Field-Effect Transistors (OFETs).
• Pharmaceutical Intermediates: Serves as a crucial building block in the research and development of new drug candidates, particularly those requiring rigid, planar heterocyclic cores.
• Agrochemical Synthesis: Used in the creation of novel herbicides, fungicides, and insecticides where the pyrazine moiety imparts specific biological activity.
• Ligand and Catalyst Development: The ethynyl groups allow for facile functionalization via click chemistry (e.g., CuAAC), enabling the creation of sophisticated ligands for catalysis and metal-organic frameworks (MOFs).
• Advanced Polymer Chemistry: Acts as a di-functional monomer for step-growth polymerization, leading to high-performance polymers with tailored thermal and electronic properties.
• Chemical Research & Development: A valuable reagent for academic and industrial R&D focused on exploring new reactions and constructing complex molecular libraries.

Basic Information

Product Name	Pyrazine, 2,3-Diethynyl- (9Ci)
CAS No.	336106-81-1
Molecular Formula	C8H4N2
Molecular Weight	128.13 g/mol
Synonyms	2,3-Diethynylpyrazine; Diethynylpyrazine; 2,3-Bis(ethynyl)pyrazine; Pyrazine, diethynyl-; 1,2-Diethynylpyrazine (reindexed); 2,3-Diethynyl-1,4-diazine
EINECS	Contact for details

Quality Control

Every batch of Pyrazine, 2,3-Diethynyl- is produced under strict quality management protocols to ensure consistency and high purity suitable for research and industrial applications. Our standard grade typically meets a purity specification of ≥95% (by HPLC), with comprehensive identity confirmation via spectroscopic methods (NMR, IR). Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). This compound may be light-sensitive; prolonged exposure to light should be avoided. Keep container tightly sealed when not in use to protect from moisture and atmospheric contamination.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm
Residual Solvents (GC)	Complies with ICH guidelines

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