CAS Registry Number

CAS 128071-98-7 — 4-Bromo-2-fluoropyridine

4-Bromo-2-fluoropyridine is a halogenated heterocyclic compound primarily used as a synthetic intermediate in organic chemistry, particularly for pharmaceuticals, agrochemicals, and advanced materials research. It features a pyridine ring substituted with bromine and fluorine, enabling selective functionalization in cross-coupling reactions. CAS 128071-98-7; molecular formula C₅H₄BrFN (not C₇H₅F₂IO—likely a typographical error); molecular weight 177.99 g/mol; stable at ambient conditions; non-hazardous under normal handling. Molekula supplies 4-bromo-2-fluoropyridine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.