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 CC1C/C(=C2\O[C@@H]3CC(=O)N3C2C(=O)O)C(=O)O1

InChI

InChI=1S/C11H11NO6/c1-4-2-5(11(16)17-4)9-8(10(14)15)12-6(13)3-7(12)18-9/h4,7-8H,2-3H2,1H3,(H,14,15)/b9-5+/t4?,7-,8?/m1/s1

InChIKey OUWZKDIHVIQMRZ-ZKAZXBEYSA-N

Molecular Weight

253.21