CAS Registry Number

CAS 21943-12-4 — 2-Amino-3-bromopyrazine

2-Amino-3-bromopyrazine is a brominated heterocyclic compound used primarily as a synthetic intermediate in pharmaceuticals, agrochemicals, and organic synthesis. Its electron-deficient pyrazine core enables selective functionalization for drug discovery and material science applications. CAS 21943-12-4, molecular formula C4H4BrN3, molecular weight 173.9987 g/mol. Stored at ambient conditions with no signal word classification. Molekula supplies 2-Amino-3-bromopyrazine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.