Identifier Cleaner

Convert between SMILES, InChI, InChIKey, and compound names. Supports PubChem name resolution as a fallback when the input is a common drug name.

Example: aspirin → CC(=O)Oc1ccccc1C(=O)O

Free Research Context Use this tool freely, then open the research home or demo workspace when you want project context.

Research home Demo workspace

Canonical SMILES CC(NC(=O)C(=O)O)C(=O)O

InChI InChI=1S/C5H7NO5/c1-2(4(8)9)6-3(7)5(10)11/h2H,1H3,(H,6,7)(H,8,9)(H,10,11)

InChIKey TZPZMVZGJVYAML-UHFFFAOYSA-N

Molecular Weight

161.11