L-745870 is a high-affinity, selective and orally active antagonist of human dopamine D4 receptor with Ki of 0.43 nM. L-745870 considerably weaker D2 and D3 receptors affinity with Ki of 960 nM and 2300 nM, respectively. L-745870 has excellent brain penetration.

Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months.
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.