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 Oc1nc2ccc(CCN3CCN(c4nsc5ccccc45)CC3)cc2s1

InChI

InChI=1S/C20H20N4OS2/c25-20-21-16-6-5-14(13-18(16)26-20)7-8-23-9-11-24(12-10-23)19-15-3-1-2-4-17(15)27-22-19/h1-6,13H,7-12H2,(H,21,25)

InChIKey YNDNMVPWTKFLHF-UHFFFAOYSA-N

Molecular Weight

396.54