Chemistry Demos

Free online tools for chemists — convert chemical names to structures, calculate molecular properties, atom-map reaction SMILES, classify chemical reactions, and more. No signup required.

Name → Structure

Convert chemical names to a 2D molecular structure, SMILES strings, InChI, and InChIKey, right in your browser.

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Chemical Property Calculator

Calculate molecular descriptors, physicochemical properties, and drug-likeness metrics from a chemical name, SMILES string or InChI.

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Reaction Atom-Mapper & Classifier

Classify, and map atoms between reactants and products in a chemical reaction. Generates atom-mapped reaction SMILES, extracts reaction SMARTS via rdchiral_plus, and classifies the reaction.

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