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 Nc1nc(N)c2c(ccc3[nH]ccc32)n1

InChI InChI=1S/C10H9N5/c11-9-8-5-3-4-13-6(5)1-2-7(8)14-10(12)15-9/h1-4,13H,(H4,11,12,14,15)

InChIKey AMQWKZUAOLLUPP-UHFFFAOYSA-N

Molecular Weight

199.22