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Chemeditor (Chemrise)This feature in other tools
Charges, isotopes and atom labels in Chemeditor (Chemrise)
Atom labels and charge controls in the structure editor.

- What we checked
- Charges, isotopes and arbitrary element labels can be set on atoms.
- Result
- Yes, according to the manual: Ketcher atom properties include labels, charges and isotopes. Yes, according to the manual. Ketcher atom properties include labels, charges and isotopes.
- Version we tested
- Ketcher 3.18.0 (build 2026-…, on macOS 27.0.1 arm64
- Manual
- github.com