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 Oc1ccc(-c2nc3ccc(O)cc3s2)cc1

InChI InChI=1S/C13H9NO2S/c15-9-3-1-8(2-4-9)13-14-11-6-5-10(16)7-12(11)17-13/h1-7,15-16H

InChIKey UNCMKVXDLXKQDH-UHFFFAOYSA-N

Molecular Weight

243.29