Ketanserin Description A serotonin antagonist which displays alpha-adernergic and dopamine receptor affinity. It has the highest affinity for the serotonin 5HT2A receptor Synapse 42(2), 104-114. Specifications Cas No. 74050-98-9 Product ID K1678 Product Name Ketanserin Formula Wt. 395.43 Store Temp Ambient References Neuroscience 21(1); 123-139