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 C(=C\c1ccccc1)/C1=NCCN1

InChI InChI=1S/C11H12N2/c1-2-4-10(5-3-1)6-7-11-12-8-9-13-11/h1-7H,8-9H2,(H,12,13)/b7-6+

InChIKey IGISUADTPSLENQ-VOTSOKGWSA-N

Molecular Weight

172.23