Microsource Spectrum collection.
The Spectrum set is a collection of 2,000 compounds including synthetic small molecules, known drugs, and purified natural products.

The CGSC currently has a copy of the Spectrum Set in both 96 and 384 well format, Our stocks are at 100 µM concentration, which will typically give 1 µM assay concentration, and 1 mM.

Information on the compounds included in the set and the plate format can be provided on request.