2,3-Dimethylpyrazine
2,3-Dimethylpyrazine (CAS 5910-89-4) is a heterocyclic organic compound with the molecular formula C6H8N2 and a molecular weight of 108.14 g/mol. This compound is characterised by its pyrazine ring substituted with two methyl groups. It finds utility as a versatile building block in organic synthesis, particularly in the preparation of more complex molecules and in heterocyclic chemistry research. Its distinct properties make it valuable for various chemical investigations.
- Synonyms
- C6H8N2Pyrazine, 2,3-dimethyl-

Organic Synthesis Intermediate
Serves as a key building block in the synthesis of diverse organic compounds. Its pyrazine core allows for various functionalization reactions, enabling the construction of complex molecular architectures.
Heterocyclic Chemistry
A valuable reagent for research in heterocyclic chemistry. It is used to explore the reactivity and properties of pyrazine derivatives for potential applications in medicinal chemistry and materials science.
Chemical Research
Utilised in academic and industrial research laboratories for developing new synthetic methodologies and investigating novel chemical entities.
| Molecular weight | 108.14 |
|---|---|
| Empirical formula | C6H8N2 |
| Assay | 99% |
| Boiling point | 156 °C(lit.) |
| Density | 1.011 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.507(lit.) |



Hazard statements
- H226Flammable liquid and vapour
- H302Harmful 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
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 54 °C / 129.2 °F |
| Transport (UN / ADR) | UN 1993C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn |
| Risk statements (R) | 10-22-37/38-41 |
| Safety statements (S) | 16-26-39 |
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 2,3-Dimethylpyrazine used for?
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2,3-Dimethylpyrazine is primarily used as a building block in organic synthesis and for research in heterocyclic chemistry.
What is the CAS number and formula for 2,3-Dimethylpyrazine?
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The CAS number is 5910-89-4 and the empirical formula (Hill notation) is C6H8N2.
What grade and purity does Tech Serve Solutions supply for 2,3-Dimethylpyrazine?
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Tech Serve Solutions supplies 2,3-Dimethylpyrazine with an assay of 99%. This product is supplied for research and development purposes and is not represented as USP, BP, or EP grade.
How should 2,3-Dimethylpyrazine be handled safely?
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2,3-Dimethylpyrazine is a flammable liquid and vapour, and is harmful if swallowed. It causes skin irritation, serious eye damage, and may cause respiratory irritation. Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, in a well-ventilated area. Avoid ignition sources.
How is 2,3-Dimethylpyrazine packed and shipped?
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2,3-Dimethylpyrazine is available in various pack sizes suitable for laboratory and industrial needs. It is exported globally in compliance with all relevant shipping regulations for hazardous materials.
How can I request a quote or sample of 2,3-Dimethylpyrazine?
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Please use the 'Request a Quote' or 'Request a Sample' button on the product page, or contact our sales team directly with your requirements.
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