2-Amino-5-bromo-3-(methylamino)pyrazine
2-Amino-5-bromo-3-(methylamino)pyrazine (CAS: 55635-63-7), with the molecular formula C5H7BrN4 and a molecular weight of 203.04 g/mol, is a halogenated heterocyclic compound. It serves as a valuable building block in chemical synthesis, particularly within the field of heterocyclic chemistry. Its structure makes it a useful intermediate for the development of novel organic molecules and advanced materials.
- IUPAC
- 5-Bromo-N3-methyl-pyrazine-2,3-diamine
- Synonyms
- 5-Bromo-N3-methyl-pyrazine-2,3-diamine

Chemical Synthesis Intermediate
This pyrazine derivative is employed as a key intermediate in complex organic synthesis. It is utilised in the construction of more elaborate molecular frameworks, often for research and development purposes in medicinal chemistry and materials science.
Heterocyclic Chemistry Building Block
As a substituted pyrazine, it functions as a versatile building block for creating diverse heterocyclic compounds. Its bromine atom allows for various cross-coupling reactions, enabling the introduction of different functional groups.
Research and Development
The compound is suitable for use in academic and industrial research laboratories exploring new chemical entities. Its specific substitution pattern offers unique reactivity for synthetic chemists.
| Molecular weight | 203.04 |
|---|---|
| Empirical formula | C5H7BrN4 |
| Assay | 97% |
| Melting point | 132-137 °C |

Hazard statements
- H317May cause an allergic skin reaction
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 43 |
| Safety statements (S) | 36/37 |
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-Amino-5-bromo-3-(methylamino)pyrazine used for?
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2-Amino-5-bromo-3-(methylamino)pyrazine is primarily used as a building block in chemical synthesis and as an intermediate in the development of novel organic molecules and advanced materials.
What are the CAS number and molecular formula for this compound?
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The CAS number is 55635-63-7 and the molecular formula is C5H7BrN4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound with an assay of 97%. It is suitable for research and chemical synthesis purposes and is not represented as USP, BP, or EP grade.
How should 2-Amino-5-bromo-3-(methylamino)pyrazine be handled safely?
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This compound is classified as a Warning (GHS07) and may cause an allergic skin reaction (H317). Appropriate personal protective equipment, including a dust mask (N95 recommended), eyeshields, faceshields, and gloves, should be worn. Handle with caution and consult the Safety Data Sheet for detailed guidance.
Is this chemical controlled or scheduled?
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Based on the provided data, there is no indication that this chemical is controlled or scheduled.
How is this chemical packed and shipped?
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Tech Serve Solutions expertly packs and exports fine chemicals, pharmaceutical intermediates, and laboratory reagents globally. Specific packaging details for this product can be provided upon request.
How can I request a quote or sample?
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To request a quote or a sample of 2-Amino-5-bromo-3-(methylamino)pyrazine, please contact our sales team through the website or by phone.
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