1-[4(6-Bromohexyloxy)Butyl]Benzene Basic intermediate for the preparation of SALMETEROL XINAFONATE. Light color liquid with high density. Substantially pure to use for next step. The product is distilled using high vac distillation. The product is manufature in the state of art manufacturing facility with GMP equivalence and international standard. We manufacture this product with the stigent implmentation of ICH Guidelines