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 COc1cc(/C=C/C(O)=C/C(=O)/C=C/c2ccc(O)cc2)ccc1O

InChI

InChI=1S/C20H18O5/c1-25-20-12-15(6-11-19(20)24)5-10-18(23)13-17(22)9-4-14-2-7-16(21)8-3-14/h2-13,21,23-24H,1H3/b9-4+,10-5+,18-13-

InChIKey UEPVWRDHSPMIAZ-IZTHOABVSA-N

Molecular Weight

338.36