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SMILES to InChI

SMILES to InChI
SMILES to InChI

SMILES (Simplified Molecular Input Line Entry System) and InChI (International Chemical Identifier) are two formats for representing chemical structures. They both identify chemical substances in a compact way and are widely used in cheminformatics.

This tool converts SMILES strings to InChI strings. Enter a SMILES string in the input box and the corresponding InChI string will be displayed below.

The SMILES string of the molecule.
The InChI string of the molecule.

See also

Big Chemical Elements
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Big Chemical Structures
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Benzene Molecule Poster, Ball-and-Stick Model, English-Labeled
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A poster featuring the ball-and-stick model of the benzene molecule.

InChIKey to SMILES

An online tool for converting (resolving) InChIKeys to SMILES strings.

SMILES to Structure API

A web service for converting SMILES (simplified molecular-input line-entry system) to MOL.

Awesome SMILES

A curated list of awesome resources on SMILES (simplified molecular-input line-entry system).

Canonical SMILES Generator

Convert a SMILES string to its canonical (kekulized) form.

SMILES Parse Tree Viewer

Visualize the parse tree of a SMILES string.

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