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(/C=C/c1ccc(O)c(O)c1)c1cccc(O)c1

InChI InChI=1S/C15H12O4/c16-12-3-1-2-11(9-12)13(17)6-4-10-5-7-14(18)15(19)8-10/h1-9,16,18-19H/b6-4+

InChIKey WZCFLOPLJCNJKN-GQCTYLIASA-N

Molecular Weight

256.26