4-Bromopyridine (Cas 1120-87-2) - Versatile Heteroaromatic Building Block

4-Bromopyridine (CAS: 1120-87-2) is a high-value heteroaromatic halide widely recognized as a key building block in modern organic synthesis and medicinal chemistry. Featuring a bromine substituent on the pyridine ring, this compound exhibits excellent reactivity in a variety of metal-catalyzed coupling reactions, making it an indispensable intermediate for the construction of complex nitrogen-containing molecules. Due to the electron-deficient nature of the pyridine ring, 4-Bromopyridine readily participates in Suzuki, Negishi, and Buchwald–Hartwig cross-coupling reactions, enabling efficient introduction of diverse functional groups. This versatility supports its extensive use in the synthesis of pharmaceutical intermediates, agrochemical active ingredients, and advanced fine chemicals. In medicinal chemistry research, 4-Bromopyridine is frequently employed in the development of heterocyclic scaffolds found in kinase inhibitors, antiviral agents, and central nervous system–active compounds. Its well-defined reactivity and compatibility with multiple synthetic pathways make it suitable for both laboratory-scale research and industrial-scale manufacturing. Overall, 4-Bromopyridine (CAS: 1120-87-2) represents a reliable and efficient starting material for researchers and manufacturers seeking high-performance heteroaromatic intermediates in pharmaceutical, agrochemical, and specialty chemical applications.