ZINC15 Database
From Rizzo_Lab
The ZINC15 database is an updated version of ZINC12 and contains over 100 million purchasable compounds for virtual screening.
How to download molecules by catalog?
A general stepwise instruction can be found at Download by catalog
If you would like to download ChemDiv compounds, the ZINC ID mapping and lead-like tranche should be:
http://files.docking.org/catalogs/50/cdiv/cdiv-zinc.txt.gz http://files.docking.org/catalogs/50/cdiv/lead-like.tgz