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=c1c(O)c(-c2cccc(O)c2)oc2ccccc12

InChI InChI=1S/C15H10O4/c16-10-5-3-4-9(8-10)15-14(18)13(17)11-6-1-2-7-12(11)19-15/h1-8,16,18H

InChIKey QZESEGHSLFKZIV-UHFFFAOYSA-N

Molecular Weight

254.24