According to the invention, there is provided seed and plants of the corn
variety designated CV721680. The invention thus relates to the plants,
seeds and tissue cultures of the variety CV721680, and to methods for
producing a corn plant produced by crossing a corn plant of variety
CV721680 with itself or with another corn plant, such as a plant of
another variety. The invention further relates to corn seeds and plants
produced by crossing plants of variety CV721680 with plants of another
variety, such as another inbred line. The invention further relates to
the inbred and hybrid genetic complements of plants of variety CV721680.