Application

Thioridazine hydrochloride has been used as an intercalating agent for analyzing the integrity of double-stranded DNA (dsDNA) using square-wave voltammetry (SWV) techniques. Thioridazine hydrochloride has also been used as a positive control for the inhibition of hepatic enzyme cytochrome P4502D6 (CYP2D6) in human liver microsomes.

Biochem/physiol Actions

D₂ dopamine receptor antagonist; phenothazine antipsychotic with reduced extrapyramidal side effects; Ca²⁺ channel blocker.

Preparation Note

250 mg of thioridazine hydrochloride is soluble in 5 ml of water and yields a clear, colorless to faint yellow solution. Thioridazine hydrochloride is also soluble in methanol, ethanol, and chloroform, but it is insoluble in ether.