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 COc1ccc(/C=C/c2cc(OC)c3ccoc3c2)cc1O

InChI InChI=1S/C18H16O4/c1-20-16-6-5-12(9-15(16)19)3-4-13-10-17(21-2)14-7-8-22-18(14)11-13/h3-11,19H,1-2H3/b4-3+

InChIKey WKTSRPYICDVYET-ONEGZZNKSA-N

Molecular Weight

296.32