1,4-Dibromobutane
1,4-Dibromobutane (CAS: 110-52-1) is a colorless to light yellow liquid dihalide used as a four-carbon alkylating and linking agent. It is a key intermediate for pharmaceuticals, agrochemicals, and specialty chemicals, enabling the construction of pyrrolidines, cyclopentane derivatives, and other cyclic structures through double substitution chemistry. It also serves as a building block for quaternary ammonium















