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 Oc1noc2cc(Cl)c(Cl)cc12

InChI InChI=1S/C7H3Cl2NO2/c8-4-1-3-6(2-5(4)9)12-10-7(3)11/h1-2H,(H,10,11)

InChIKey IEAQWYJSDRWQBA-UHFFFAOYSA-N

Molecular Weight

204.01