3-Bromoacetylpyridine hydrobromide is a chemical compound consisting of a pyridine ring (a six-membered aromatic nitrogen-containing ring) with a bromoacetyl group (-COCH2Br) attached at the 3-position on the pyridine ring. The compound exists in its hydrobromide form, meaning it is a salt of 3-bromoacetylpyridine with hydrobromic acid (HBr). https://www.sarex.com/fine/product/top-chemicals-product-list/3-bromoacetylpyridine-hbr