2,3-Pyrazinedicarboxylic anhydride
2,3-Pyrazinedicarboxylic anhydride (CAS: 4744-50-7) is a heterocyclic organic compound with the molecular formula C6H2N2O3 and a molecular weight of 150.09. This anhydride monomer is primarily utilised in materials science and polymer science. It serves as a key building block in the synthesis of various polymers and advanced materials, leveraging its reactive anhydride functionality for polymerisation reactions and chemical modifications.
- IUPAC
- Furo[3,4-b]pyrazine-5,7-dione
- Synonyms
- Furo[3,4-b]pyrazine-5,7-dione

Polymer Synthesis
Serves as a monomer in the production of specialty polymers, including polyimides and polyesters, where its structure contributes to thermal stability and mechanical properties.
Materials Science
Utilised as a precursor for novel materials, enabling the development of advanced composites, coatings, and functional materials through its versatile chemical reactivity.
Organic Synthesis Intermediate
Functions as a reactive intermediate in the synthesis of complex organic molecules and heterocyclic compounds for research and development purposes.
| Molecular weight | 150.09 |
|---|---|
| Empirical formula | C6H2N2O3 |
| Assay | 97% |
| Melting point | 210 °C (dec.)(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 | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| 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 2,3-Pyrazinedicarboxylic anhydride used for?
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2,3-Pyrazinedicarboxylic anhydride is primarily used as a monomer in polymer synthesis and in materials science for creating advanced materials. It also serves as an intermediate in organic synthesis.
What is the CAS number and formula for 2,3-Pyrazinedicarboxylic anhydride?
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The CAS number is 4744-50-7 and the empirical formula (Hill notation) is C6H2N2O3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2,3-Pyrazinedicarboxylic anhydride with an assay of 97%. We do not represent this product as USP, BP, EP, or any pharmacopoeia grade.
How should 2,3-Pyrazinedicarboxylic anhydride be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 or equivalent), eyeshields, and gloves. Ensure adequate ventilation. Avoid breathing dust and contact with skin and eyes, as it causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335).
How is 2,3-Pyrazinedicarboxylic anhydride packed, shipped, and exported?
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2,3-Pyrazinedicarboxylic anhydride is carefully packaged to maintain its integrity during transit. As a global supplier, Tech Serve Solutions has extensive experience in exporting chemicals worldwide, adhering to all relevant shipping regulations.
How can I request a sample or quote for 2,3-Pyrazinedicarboxylic anhydride?
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To request a sample or a quote for 2,3-Pyrazinedicarboxylic anhydride, please contact the Tech Serve Solutions sales department through our website or by phone. Our team will be happy to assist you.
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