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 c1ccc(COc2cc3c4ccccc4nc-3c[nH]2)cc1

InChI InChI=1S/C18H14N2O/c1-2-6-13(7-3-1)12-21-18-10-15-14-8-4-5-9-16(14)20-17(15)11-19-18/h1-11,19H,12H2

InChIKey FUULVCWWUPGUMY-UHFFFAOYSA-N

Molecular Weight

274.32