Tautomers in JChem for Excel

Tautomers are structural isomers that are in dynamic equilibrium due to the migration of a proton.

A molecule may have a large number of tautomeric forms. Our tautomer calculator generates all tautomeric forms of the given molecule and allows users to choose the most suitable for a given process.

For more information regarding this plugin, see Tautomer Generation Plugin.


Returns the number of dominant tautomers.


Returns the number of tautomers.