Pyrazine-2-amidoxime
Pyrazine-2-amidoxime (CAS: 51285-05-3; Formula: C5H6N4O; MW: 138.13) is a heterocyclic organic compound supplied by Tech Serve Solutions. This pyrazine derivative serves as a valuable building block in chemical synthesis, particularly for the creation of more complex heterocyclic structures. It is characterised by its amidoxime functional group, offering unique reactivity for various research and development applications.

Heterocyclic Synthesis
Utilised as a key intermediate in the synthesis of novel pyrazine-containing heterocycles. Its structure allows for diverse functionalization pathways.
Medicinal Chemistry Research
Serves as a scaffold or fragment in the discovery of new pharmaceutical agents. The pyrazine core is present in many biologically active molecules.
Organic Synthesis Reagent
Employed in academic and industrial research laboratories for the development of new synthetic methodologies and target molecules.
| Molecular weight | 138.13 |
|---|---|
| Empirical formula | C5H6N4O |
| Assay | 97% |
| Melting point | 180-185 °C |


Hazard statements
- H301Toxic if swallowed
- H315Causes skin irritation
- H318Causes serious eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P301IF SWALLOWED
- P305IF IN EYES
| Transport (UN / ADR) | UN 2811 6.1 / PGIII |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | T |
| Risk statements (R) | 25-37/38-41 |
| Safety statements (S) | 26-39-45 |
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-2-amidoxime used for?
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Pyrazine-2-amidoxime is primarily used as a building block in organic and heterocyclic synthesis, with potential applications in medicinal chemistry research.
What are the CAS number and chemical formula for Pyrazine-2-amidoxime?
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The CAS number is 51285-05-3 and the chemical formula is C5H6N4O.
What grade and purity does Tech Serve Solutions supply for Pyrazine-2-amidoxime?
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Tech Serve Solutions supplies Pyrazine-2-amidoxime with a minimum assay of 97%. This product is typically supplied for research and chemical synthesis purposes and is not represented as USP, BP, EP, or pharmacopoeia grade.
How should Pyrazine-2-amidoxime be handled and stored?
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Pyrazine-2-amidoxime is classified as Danger, with hazards including acute toxicity if swallowed (H301), skin irritation (H315), serious eye damage (H318), and respiratory irritation (H335). Handle with appropriate personal protective equipment in a well-ventilated area, and avoid ingestion, skin contact, and eye contact. Store in a cool, dry place.
How is Pyrazine-2-amidoxime packed and exported?
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This chemical is shipped as UN 2811, Class 6.1 (Toxic substances), Packing Group III. We ensure secure packaging and compliant export procedures for global distribution.
How can I request a quote or sample for Pyrazine-2-amidoxime?
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To request a quote or a sample, please contact our sales team via the website or email, providing the product name and CAS number.
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