Welcome to TCI’s New Website!
Before you can place your first order on our new site, you’ll need to reset your password. Go to the Sign In page and select “Forgot your password?” to get started.
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.