Forward Reaction Prediction: A helper for organic synthesis
Draw or paste your reactants; the model predicts the likely
product(s). Output is rendered by RDKit.js directly from the
model's raw SMILES (shown in green beneath each structure). Ketcher is
used only for drawing input.
checking server…
Model:
Built on ReactionT5v2 (Sagawa & Kojima,
J. Cheminform.2025,
doi:10.1186/s13321-025-01075-4,
MIT-licensed), fine-tuned on Pistachio reaction data
(NextMove Software). This web interface built independently.
Beam width:10
Show top-k:4
Test reactions:
Predicted products
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This reaction predictor is free to use. If you're finding it helpful,
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and justify keeping the service running. You can keep using it either way.