ChemOffice Professional 20.1 and MestReNova-Lite-CDE-12.0.1 (ChemDraw Edition)  for Windows and Macintosh

ChemOffice Professional 20.1 for Windows and Macintosh is available for IISc users. Please note, prior registration with IISc E-mail ID is required to download the software.

ChemoOffice Registration Link:

ChemOffice Software download link (publisher site):

MNova software download link (Windows version) (Mac version)

Software download Link (IISc site) for ChemOffice and MNova:

Activation key: to get the activation key for ChemOffice and MNova, kindly send an email to

For individuals who choose to install the software for home, office, or personal use,  registration and activation are required. For more details regarding registration and activation, please follow the link below:

New users will be downloading version 20.1. Those who are currently using version 11 through 15 need only "reactivate" to continue using these versions, or they can re-download to get version 20.1. To re-download, go to the link above and follow the instructions to re-download. To reactivate, click "Reactivate" on the Help menu, then enter the serial number (activation key) given above.

New users will only have access to the most recent version (20.1) of the software.

To access the individual edition of ChemDraw Cloud/Signals Notebook, please refer to the document via the link:

Note: You must have an email account in the IISc domain to download and activate this product.

For system requirements, please follow the link:

Should you have any issues in using the Chemoffice, please get in touch with Professor Santanu Mukherjee or Francis Jayakanth (