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 CCCC#Cc1noc(C2CN=CNC2)n1

InChI InChI=1S/C11H14N4O/c1-2-3-4-5-10-14-11(16-15-10)9-6-12-8-13-7-9/h8-9H,2-3,6-7H2,1H3,(H,12,13)

InChIKey NSTHAUORMQSLDV-UHFFFAOYSA-N

Molecular Weight

218.26