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 O=C(NCc1ccc([N+](=O)[O-])cc1)C(=O)c1c[nH]c2ccccc12

InChI InChI=1S/C17H13N3O4/c21-16(14-10-18-15-4-2-1-3-13(14)15)17(22)19-9-11-5-7-12(8-6-11)20(23)24/h1-8,10,18H,9H2,(H,19,22)

InChIKey SQVFGSDZEHNBTN-UHFFFAOYSA-N

Molecular Weight

323.31