ChemBioOffice Ultra is site-licensed by Stanford University Libraries and Academic Information Resources (SU*LAIR) / Academic Computing.
All current Stanford students, faculty, and staff, can download ChemBioOffice Ultra FOR FREE to a office, home, or personal computer, using the email extensions,, or (contact Grace Baysinger at if you do not have one of those email extensions). A network connection is not required to use ChemDraw.

Please use Internet Explorer or Firefox to request your software.

Site License Verification
  Email Address
  • The domain of your address, the part that comes after the @ symbol, must match that of your company or school.
  • After you enter a qualifying email address you will be led through the download process. We will use this address to email you the serial number and other codes needed for installation.