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 CNC1=Nc2ccc(Cl)cc2C(c2ccccc2)=[N+]([O-])C1.Cl

InChI InChI=1S/C16H14ClN3O.ClH/c1-18-15-10-20(21)16(11-5-3-2-4-6-11)13-9-12(17)7-8-14(13)19-15;/h2-9H,10H2,1H3,(H,18,19);1H

InChIKey DMLFJMQTNDSRFU-UHFFFAOYSA-N

Molecular Weight

336.22