Cyclamic acid is a compound with formula C<sub>6</sub>H<sub>13</sub>NO<sub>3</sub>S.
It is included in E number "E952".
Cyclamic acid is mainly used as catalyst in the production of paints and plastics, and furthermore as a reagent for laboratory usage.
The sodium and calcium salts of cyclamic acid are used as artificial sweeteners under the name cyclamate.