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 O=C(Oc1cncc(Cl)c1)c1cccc2ncoc12

InChI InChI=1S/C13H7ClN2O3/c14-8-4-9(6-15-5-8)19-13(17)10-2-1-3-11-12(10)18-7-16-11/h1-7H

InChIKey FCONYNWIAJBMHU-UHFFFAOYSA-N

Molecular Weight

274.66