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Home › Resources & Tools › 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.
SMILES to InChI
SMILES to InChI

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See also

1.
InChIKey to SMILES
An online tool for converting (resolving) InChIKeys to SMILES strings.
2.
SMILES to Structure
Convert SMILES (simplified molecular-input line-entry system) to a structure online.
3.
Awesome SMILES
A curated list of awesome links, tutorials, and resources on SMILES (simplified molecular-input line-entry system).
4.
SMILES to Structure API
A web service for converting SMILES (simplified molecular-input line-entry system) to MOL.
5.
SMILES Parse Tree Viewer
Visualize the parse tree of a SMILES string.