Maintenance Notice (0:00 - 2:00 Sunday, August 9, 2020 CEST): The website will be unavailable due to scheduled maintenance. We appreciate your patience and understanding.
TCI uses Marvin JS for quick and convenient drawing of chemical structures as well as reactions/reaction mechanisms. Start by either importing your file or selecting the drawing tools and drawing your structural formula. You can also refine your search using the fields to the right.