▁international ▁release . ▁ ▁A ly ▁& ▁A J ▁recorded ▁a ▁version ▁in ▁Sim lish ▁for ▁The ▁Sim s ▁ 2 : ▁P ets , ▁an ▁expansion ▁pack ▁to ▁the ▁popular ▁The ▁Sim s ▁game ▁franch ise . ▁The ▁Sim lish ▁version ▁was ▁released ▁for ▁digital ▁download ▁in ▁the ▁i T unes ▁store ▁on ▁October ▁ 3 1 , ▁ 2 0 0 6 . ▁A ▁rem ix ▁of ▁the ▁song ▁was ▁later ▁included ▁on ▁their ▁third ▁studio ▁album ▁Ins om ni atic ▁( 2 0 0 7 ). ▁ ▁Com mer cial ▁performance ▁" Ch em ical s ▁React " ▁failed ▁to ▁chart ▁on ▁its ▁first ▁release ▁in ▁June ▁ 2 0 0 6 , ▁but ▁after ▁its ▁re - release ▁in ▁September ▁ 2 0 0 6 , ▁the ▁song ▁entered ▁the ▁Billboard ▁Hot ▁ 1 0 0 ▁at ▁number ▁ 7 0 . ▁It ▁reached ▁a ▁peak ▁position ▁of ▁ 5 0 ▁on ▁the ▁chart ▁dated ▁October ▁ 1 0 , ▁ 2 0 0 6 . ▁" Ch em ical s ▁React " ▁also ▁chart ed ▁at ▁number ▁ 3 6 ▁on ▁the ▁magazine ' s ▁Pop ▁ 1 0 0 ▁chart , ▁which ▁comb ines ▁main stream ▁radio ▁air play ▁and ▁sales , ▁but ▁failed ▁to ▁enter ▁the ▁Main stream ▁Top ▁ 4 0 ▁component ▁chart . ▁As ▁of ▁June ▁ 2 0 0 7 , ▁the ▁song ▁had ▁sold ▁ 1 7 5 , 0 0 0 ▁download s ▁in ▁the ▁United ▁States . ▁ ▁Music ▁video