Effective Jan. 1, 2017, NCATS will no longer supply compounds and NIH Clinical Collection sets through its Small Molecule Repository (SMR). NCATS is processing SMR orders placed prior to Dec. 31, 2016, and investigators should expect delivery by no later than Jan. 31, 2017. The SMR website will remain accessible through Jan. 31, 2017, and then permanently shut down. NCATS thanks all who supported the SMR over the years.

NIH Molecular Libraries Small Molecule Repository (MLSMR) collects samples for high throughput biological screening and distributes them to the NIH Molecular Libraries Probe Production Center Network.

MLSMR's activities include: