1-Bromo-2-methylbutane with CAS number of 5973-11-5 is also known as (+-) 1-Bromo-2-methylbutane 95 ; (+/-)-butan ; 1-Brom-2-methylbutan(±)- ; Butane,1-bromo-2-methyl-,(±)- ; DL-1-Bromo-2-methylbutane .