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 CNc1nc(NCc2ncccn2)c2c(-c3ccc4ncccc4c3)c[nH]c2n1

InChI

InChI=1S/C21H18N8/c1-22-21-28-19-18(20(29-21)27-12-17-24-8-3-9-25-17)15(11-26-19)13-5-6-16-14(10-13)4-2-7-23-16/h2-11H,12H2,1H3,(H3,22,26,27,28,29)

InChIKey PMWVYONICYRLNY-UHFFFAOYSA-N

Molecular Weight

382.43