Pyrazine N-oxide
Pyrazine N-oxide (CAS: 2423-65-6), with the molecular formula C4H4N2O and a molecular weight of 96.09 g/mol, is a heterocyclic organic compound. It serves as a valuable building block in chemical synthesis, particularly within the realm of heterocyclic chemistry. Its specific structure makes it a useful intermediate for creating more complex molecular architectures in research and development settings. Tech Serve Solutions supplies this compound for various laboratory and synthetic applications.
- IUPAC
- Pyrazine-1-oxide

Heterocyclic Synthesis
Pyrazine N-oxide is utilised as a key intermediate in the synthesis of novel heterocyclic compounds. Its reactive N-oxide functionality allows for diverse chemical transformations.
Organic Chemistry Research
This compound serves as a versatile building block in organic chemistry laboratories for developing new synthetic methodologies and exploring novel molecular structures.
Pharmaceutical Intermediates
It can be employed in the multi-step synthesis of potential pharmaceutical agents, where the pyrazine core is a desired structural motif.
| Molecular weight | 96.09 |
|---|---|
| Empirical formula | C4H4N2O |
| Assay | 97% |
| Melting point | 112-116 °C |



Hazard statements
- H228Flammable solid
- H302Harmful if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges |
|---|---|
| Transport (UN / ADR) | UN 1325 4.1 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,Xn |
| Risk statements (R) | 11-22-37/38-41 |
| Safety statements (S) | 26-39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Pyrazine N-oxide used for?
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Pyrazine N-oxide is primarily used as a building block in chemical synthesis, especially for creating heterocyclic compounds and as an intermediate in organic chemistry research and potential pharmaceutical development.
What are the CAS number and formula for Pyrazine N-oxide?
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The CAS number for Pyrazine N-oxide is 2423-65-6, and its molecular formula is C4H4N2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Pyrazine N-oxide with an assay of 97%. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade.
How should Pyrazine N-oxide be handled safely?
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Pyrazine N-oxide is a flammable solid and is harmful if swallowed, causes skin irritation, serious eye damage, and may cause respiratory irritation. Handle with appropriate personal protective equipment, including eyeshields and gloves, and ensure adequate ventilation. Refer to the Safety Data Sheet for comprehensive handling information.
How is Pyrazine N-oxide packed and shipped?
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Pyrazine N-oxide is shipped as a UN 1325, Hazard Class 4.1, Packing Group II. TSS exports chemicals globally, adhering to all relevant shipping regulations.
How can I request a sample or quote for Pyrazine N-oxide?
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To request a sample or a quote for Pyrazine N-oxide, please contact our sales team through the website or by calling us directly.
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