ChemDraw Versions 17 and Older Are Now Expired
ChemDraw Versions 17 and older expired on November 17, 2024. Users should upgrade to Version 23 as soon as possible. There is a new licensing procedure in order to download and access ChemDraw. To begin the upgrade process, please fill out the Signals ChemDraw and Notebook Request Form. Please note you must be logged into Google or Google Drive using your Caltech IMSS (@caltech.edu) credentials.If you receive an error trying to access the link, please log out of your existing Google or Chrome account, or use a new or incognito browser window. Contact me if you have any questions or issues.
ChemDraw Versions 18-22 Need to Upgrade to Version 23 by February 20, 2025
If you are using ChemDraw Version 18-22, your installation will stop working on February 20, 2025. Users should upgrade to Version 23 before February 20, 2025. To begin the upgrade process, please fill out the Signals ChemDraw and Notebook Request Form.
ChemDraw Versions 23.X Activated with an Activation Key Need to Reregister by February 20, 2025
To begin the reregistration process, please fill out the Signals ChemDraw and Notebook Request Form.
Sunset of Signals Notebook Individual Edition and ChemDraw Cloud
Signals Notebook Individual Edition and ChemDraw Cloud will be End of Life on March 1st, 2025. If you use the following URLs to access Signals Notebook or ChemDraw Cloud, you will be affected:
https://signalsresearch.revvitycloud.com/
https://chemdraweln.signalsresearch.revvitycloud.com/
https://chemdraw.signalsresearch.revvitycloud.com/
After March 1st, 2025, access to these accounts and data stored within the platform will no longer be available. All data will be deleted and unrecoverable after Signals Notebook Individual Edition and ChemDraw Cloud reach End of Life. It is recommended that users backup and export all data stored in the application to avoid data loss.
If you want to download your data as a backup, follow the instructions here.
If you want to migrate your data to the Signals Notebook Standard, please fill out the Signals ChemDraw and Notebook Request Form to request an account for the new site license. (Please note you must be logged into Google or Google Drive using your Caltech IMSS (@caltech.edu) credentials. If you receive an error trying to access the link, please log out of your existing Google or Chrome account, or use a new or incognito browser window.) Once your new account is created, information to migrate data from Signals Individual Edition to Standard Edition is available here.
Please contact me if you have any questions.