We have been updating ZINC. Here are some recent updates in March 2009.

Princeton Biomolecular (new)
Cayman Chemical (new)
NCI Diversity II (new)
Street Drugs (new)
Bosche Scientific (new)
MicroCombiChem (new)
Maybridge building blocks
Key Organics / Bionet
Zannan
Oakwood
Indofine
AlfaAesar

In Feb 2009, the follow catalogs were updated based on current catalogs from vendors. Depleted compounds were removed or marked "depleted" in ZINC, and new eligible compounds were added to ZINC.

Aronis
AstaTech
BioSynth
Bosche
ChemBridge
CombiBlocks
CVchem
Fluorochem
Frontier
Matrix
MPbio
Oakwood
Peakdale
Scientific Exchange
Sinova
Spectrum
3S
Synchem
Synquest
Synthonix
Ubichem
Zannan

The regeneration of some of the large subsets is still in progress. We are working on making new exports go faster. We prioritize "lead like" and "fragment like" since these are the most widely used.

Thank you for your support!

-- John