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=C1c2ccccc2C(=O)c2cnccc21

InChI InChI=1S/C13H7NO2/c15-12-8-3-1-2-4-9(8)13(16)11-7-14-6-5-10(11)12/h1-7H

InChIKey ZLLVUAAESHIVAZ-UHFFFAOYSA-N

Molecular Weight

209.2