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 N=C(N)NS(=O)(=O)c1ccc(C(=N)N)cc1

InChI InChI=1S/C8H11N5O2S/c9-7(10)5-1-3-6(4-2-5)16(14,15)13-8(11)12/h1-4H,(H3,9,10)(H4,11,12,13)

InChIKey XOQIWCHDHWKJGW-UHFFFAOYSA-N

Molecular Weight

241.28