a can contains an electrically conductive body and a closure region being delimited by a predetermined breaking edge on an end wall . the can has an opening element that lies in a planar fashion in its home position against the end wall and is connected to the end wall at at least one location . the opening element pivots with respect to the can from the home position into an opening position and the closure region becomes detached and an opening for emptying the content of the can is formed in the intermediate region bounded by the predetermined breaking edge . the opening element has a carrier body made of electrically and / or magnetically insulating material . the opening element has an antenna arranged on or in the carrier body and a transponder chip connected to the antenna . the home position of the antenna is disposed in the vicinity of the can .