2-Methyl-3-(methylthio)pyrazine
2-Methyl-3-(methylthio)pyrazine (CAS 2882-20-4), a pyrazine derivative with the molecular formula C6H8N2S and a molecular weight of 140.21 g/mol, is a versatile chemical building block. It is primarily utilised in chemical synthesis, particularly within the realm of heterocyclic chemistry. Its distinct structural features make it valuable for constructing more complex organic molecules for research and development purposes.

Organic Synthesis Intermediate
Serves as a key intermediate in the synthesis of various organic compounds. Its pyrazine ring functionalised with a methylthio group allows for diverse chemical transformations.
Heterocyclic Chemistry Research
A valuable building block for researchers exploring novel heterocyclic compounds. Its structure lends itself to the development of new chemical entities with potential applications.
Fine Chemical Production
Utilised in the production of fine chemicals where specific pyrazine derivatives are required. It contributes to the development of complex molecules for specialised applications.
| Molecular weight | 140.21 |
|---|---|
| Empirical formula | C6H8N2S |
| Assay | 80% |
| Boiling point | 213-214 °C(lit.) |
| Density | 1.15 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.585(lit.) |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 98 °C / 208.4 °F |
| Transport (UN / ADR) | UN 3334 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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-Methyl-3-(methylthio)pyrazine used for?
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2-Methyl-3-(methylthio)pyrazine (CAS 2882-20-4) is primarily used as a chemical building block in organic synthesis and heterocyclic chemistry research.
What are the CAS number and molecular formula for 2-Methyl-3-(methylthio)pyrazine?
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The CAS number is 2882-20-4 and the molecular formula is C6H8N2S.
What grade and purity does Tech Serve Solutions supply for 2-Methyl-3-(methylthio)pyrazine?
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Tech Serve Solutions supplies 2-Methyl-3-(methylthio)pyrazine with an assay of 80%. We do not represent this product as USP, BP, or EP grade.
How should 2-Methyl-3-(methylthio)pyrazine be handled safely?
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This compound is classified with GHS07 symbol and a Warning signal word, with hazards H315 (Causes skin irritation), H319 (Causes serious eye irritation), and H335 (May cause respiratory irritation). Appropriate personal protective equipment, including eyeshields and gloves, should be worn. Ensure adequate ventilation or use a suitable respirator.
Is 2-Methyl-3-(methylthio)pyrazine shipped internationally?
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Yes, Tech Serve Solutions is a global supplier and exporter of fine chemicals, including 2-Methyl-3-(methylthio)pyrazine.
How can I request a quote or sample for 2-Methyl-3-(methylthio)pyrazine?
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Please contact our sales team through our website or by phone to request a quote or sample.
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