Curation area
Molecule Editor
Draw a structure, upload or paste a .mol file, and view it in 2D and 3D. Export back to .mol or SMILES.
Loading structure editor...
Tip: you can also drag & drop a .mol file onto the editor, or use Ketcher's own open button.
Paste molblock or SMILES
VMH structure library
loading…Loading library…
2D structure (RDKit)
Draw, upload, or paste a structure to see the 2D depiction
3D structure (3Dmol.js)
Structures drawn in the 2D editor have no 3D coordinates and will appear flat; upload a .mol file with 3D coordinates to see true geometry.