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ChemOffice Professional

Notes: The University of Arizona Library has renewed the ChemOffice Professional academic site license since 2006 (expiration date of September 15th)

First Time User Instructions
All UA faculty, staff, and students may verify and register their campus email address at After downloading the software, you will receive a serial number by email. Enter this serial number during the installation. If you fail to get your serial number you can return to PerkinElmer/CambridgeSoft (, log in, and check the "my Downloads" link to recover it.

Important! Use custom install to select which components or plugins of ChemOffice to install on your computer (E.g. ChemScript, Python, Chem3D ActiveX for IE, Chem3D Plugin, ChemFinder, etc.). For most users, ChemDraw and Chem3D will be sufficient.

Renewal Instructions
To reactivate your current ChemOffice license, click the "Help" menu, then "Activate Chem3D" (or ChemDraw). Put in your serial number from last year.

To update the ChemOffice version, go to the PerkinElmer/CambridgeSoft membership link above and download the new version.

Alternatively, the software will display a warning message one month before the expiration date. Click "Reactivate" directly from the warning message.

If you have misplaced your serial number, log into the PerkinElmer/Cambridgesoft's membership website and click "View Serial Numbers & Expiration Dates for Your Downloads".

Contents: Capture, store, retrieve and share data and information on compounds, reactions, materials and their properties. Requires downloading software through the library's site license.

Software must be installed on your computer to use this resource