You can use several tools to search by chemical structure. These allow you to draw a chemical structure or use a text string to describe it (like SMILES or InChI).
Chemistry database that includes structure searching, run by the American Chemical Society. View Research Guide
Access Note: To obtain access, register for a personal account using your @d.umn.edu or @umn.edu email address. If you have transferred to Duluth from the Morris or Crookston campuses, you may need to update your email domain.
Material Safety Data Sheets (MSDS) - This site includes an index of free sites where material safety data sheets (MSDS) can be found as well as background information on MSDS