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FreeChemDrawThis feature in other tools
Online structure lookup in FreeChemDraw
Structure Lookup search field beside the editor.

- What we checked
- Structures can be fetched from PubChem or a similar database.
- Result
- Yes, according to the manual: Searches CAS numbers, formulas and English names through ChemTradeHub. Yes, according to the manual. Searches CAS numbers, formulas and English names through ChemTradeHub.
- Version we tested
- 3.18.0, on macOS 27.0.1 arm64
- Manual
- freechemdraw.com