SB-699551 free base is a selective and brain penetrant 5-HT5A receptor antagonist with a pKi of 8.2 nM. SB-699551 free base shows high selectivity over most other 5-HT receptor subtypes, dopamine receptors, and α1B adrenoceptor. SB-699551 free base disrupts Gαi/o-coupled and PI3K/AKT/mTOR signaling pathways, alters CREB, ATF1, AKT, PRAS40, S6K, and FOXO1 phosphorylation in breast tumor cells. SB-699551 free base can be used for the research of anxiety, breast cancer, and Alzheimer's disease.

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.