Cinanserin hydrochloride (SQ 10643) is a potent, selective and highly affinity 5-HT2 receptor antagonist with a Ki of 41 nM. Cinanserin hydrochloride has a much higher binding affinity for the 5-HT2 than for the 5-HT1 receptor (Ki of 3500 nM). Cinanserin is also an inhibitor of 3C-like proteinase of severe acute respiratory syndrome coronavirus and strongly reduces virus replication in vitro.

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.