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Home › Resources & Tools › SMILES to Structure

SMILES to Structure

SMILES is a language for representing chemical structures as linear strings of characters. As these strings encode the structures of molecules, they are often used as a compact way to represent molecules in databases and when communicating information about molecules in text.

This tool converts SMILES (simplified molecular-input line-entry system) to a 2D structure.

Enter the SMILES string of the molecule in the text box below to generate the structure. You can save the result as an image with the structure depiction.

Examples: aspirin, penguinone, 18-crown-6, citric acid.

Usage notes

The specific visual layout of the generated structure (molecular graph) may vary depending on the complexity of the molecule.

The structure can be saved as a PNG image file. SVG, PDF, and other vector formats are available through the SMILES to Structure API (see below).

API access is available for this SMILES-to-structure tool. Inquire to learn more about pricing and terms.

Help improve this tool by sharing your feedback—what could be better or what you found helpful. Or share ideas for other cheminformatics tools you'd like to see here.

SMILES to Structure
SMILES to Structure

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See also

1.
SMILES to 3D Structure (SMILES to Conformer)
Convert SMILES (simplified molecular-input line-entry system) to a 3D structure online.
2.
SMILES Parse Tree Viewer
Visualize the parse tree of a SMILES string.
3.
Awesome SMILES
A curated list of awesome links, tutorials, and resources on SMILES (simplified molecular-input line-entry system).
4.
Canonical SMILES Generator
Convert a SMILES string to its canonical (kekulized) form.
5.
SMILES to Structure API
A web service for converting SMILES (simplified molecular-input line-entry system) to MOL.