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 COc1ccccc1-n1[se]c2ccccc2c1=O

InChI InChI=1S/C14H11NO2Se/c1-17-12-8-4-3-7-11(12)15-14(16)10-6-2-5-9-13(10)18-15/h2-9H,1H3

InChIKey KKKQSDGDCNBMFN-UHFFFAOYSA-N

Molecular Weight

304.21