Portable and green solid contact potentiometric sensor for the rapid and direct assay of clozapine in post-mortem rat liver and dosage forms: An analytical approach to forensic and pharmaceutical samples

•Misdiagnosis of clozapine intoxication with stroke in emergency rooms.•The first Portable green potentiometric sensor for in-site assay of clozapine in post-mortem rat liver and tablets.•Significance of the assay to medical malpractice defense, plaintiff attorneys, and insurance companies.•Docking study to evaluate Clozapine-ionophore complex stability.•Evaluating the proposed sensor greenness compared to the reported method applying GAPI.