Combine text and chemical structure Web searches

Draw a compound structure or look it up and enter its SMILES here: (?)



Tanimoto Structure Similarity Search or Substructure Search
Links only saves searches

Enter text search terms:

Check here if you are feeling lucky! Database

Enter your own Google API key for more searches

Query Chem is limited to 1000 "unkeyed" daily Google searches as per the rules of Google's Web API license
and is powered by Chembank and PubChem. Also check out the Query Science homepage.
Please send questions, bug reports, and comments about this page to Justin Klekota.
Read more about Query Chem in our recent publication in Bioinformatics.