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(O)/C=C/c1cccc(Cl)c1

InChI InChI=1S/C9H7ClO2/c10-8-3-1-2-7(6-8)4-5-9(11)12/h1-6H,(H,11,12)/b5-4+

InChIKey FFKGOJWPSXRALK-SNAWJCMRSA-N

Molecular Weight

182.61