3-Amino-2-pyrazinecarboxylic acid
3-Amino-2-pyrazinecarboxylic acid (CAS: 5424-01-1, Formula: C5H5N3O2, MW: 139.11) is a heterocyclic organic compound. It serves as a valuable building block in chemical synthesis, particularly for creating complex molecules. Its structure, featuring both amine and carboxylic acid functionalities on a pyrazine ring, makes it a versatile intermediate in various research and development applications within the pharmaceutical and fine chemical industries.

Pharmaceutical Intermediate
Utilised in the synthesis of active pharmaceutical ingredients (APIs) and drug discovery research due to its pyrazine core and functional groups.
Organic Synthesis Building Block
A key component in constructing more complex heterocyclic compounds and organic molecules for various chemical research purposes.
Chemical Research and Development
Employed in laboratory settings for exploring novel chemical reactions and developing new materials and compounds.
| Molecular weight | 139.11 |
|---|---|
| Empirical formula | C5H5N3O2 |
| Assay | ≥99% |
| Melting point | 205-210 °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 3-Amino-2-pyrazinecarboxylic acid primarily used for?
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3-Amino-2-pyrazinecarboxylic acid is primarily used as a building block in organic synthesis and as an intermediate in the development of pharmaceuticals and fine chemicals.
What are the CAS number and formula for 3-Amino-2-pyrazinecarboxylic acid?
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The CAS number is 5424-01-1 and the empirical formula is C5H5N3O2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 3-Amino-2-pyrazinecarboxylic acid with an assay of ≥99%. We do not represent this product as USP, BP, EP, or pharmacopoeia grade.
How should 3-Amino-2-pyrazinecarboxylic acid be handled?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US recommended), eyeshields, and gloves, to avoid skin, eye, and respiratory irritation (H315-H319-H335).
Is 3-Amino-2-pyrazinecarboxylic acid available for export?
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Yes, Tech Serve Solutions specialises in global supply and export of fine chemicals, including 3-Amino-2-pyrazinecarboxylic acid.
How can I request a sample or quote for 3-Amino-2-pyrazinecarboxylic acid?
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Please contact our sales team via the website or direct email to request a sample or a quotation for 3-Amino-2-pyrazinecarboxylic acid.
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