| Name | Description | Type | Package | Framework |
| AcidAnhydride | A class storing the AcidAnhydride radical. | Class | org.jscience.chemistry.radicals | JScience |
| AcidChloride | A class storing the AcidChloride radical. | Class | org.jscience.chemistry.radicals | JScience |
| Aldehyde | A class storing the Aldehyde radical. | Class | org.jscience.chemistry.radicals | JScience |
| Amide | A class storing the Amide radical. | Class | org.jscience.chemistry.radicals | JScience |
| Amine | A class storing the Amine radical. | Class | org.jscience.chemistry.radicals | JScience |
| Aromatic | A class storing the Aromatic radical. | Class | org.jscience.chemistry.radicals | JScience |
| CarboxylicAcid | A class storing the CarboxylicAcid radical. | Class | org.jscience.chemistry.radicals | JScience |
| Epoxide | A class storing the Epoxide radical. | Class | org.jscience.chemistry.radicals | JScience |
| Ester | A class storing the Ester radical. | Class | org.jscience.chemistry.radicals | JScience |
| Hydroxy | A class storing the Hydroxy radical. | Class | org.jscience.chemistry.radicals | JScience |
| Ketone | A class storing the Ketone radical. | Class | org.jscience.chemistry.radicals | JScience |
| Nitrile | A class storing the Nitrile radical. | Class | org.jscience.chemistry.radicals | JScience |
| Nitro | A class storing the Nitro radical. | Class | org.jscience.chemistry.radicals | JScience |
| Radical | An interface to be implemented by radicals. | Interface | org.jscience.chemistry.radicals | JScience |
| Thiol | A class storing the Thiol radical. | Class | org.jscience.chemistry.radicals | JScience |