4-Bromo-2-chloropyridine

Butyric-d7 acid

Deuterated research reference standard

4-Bromo-2-chloropyridine is a halogenated pyridine derivative commonly employed as a synthetic building block in the preparation of heterocyclic compounds. It carries both bromine and chlorine substituents on the pyridine ring, which enable selective cross-coupling and substitution reactions in medicinal chemistry and materials science.