Fentanyl vs Quetiapine

## Fentanyl vs Quetiapine: Overview

This comparison examines the pharmacological differences between **Fentanyl** and **Quetiapine**.

## Mechanism of Action

**Fentanyl**: Highly potent synthetic mu-opioid receptor agonist approximately 100 times more potent than morphine.

**Quetiapine**: Atypical antipsychotic; antagonist at multiple receptors.

## Pharmacokinetics

**Half-life**: Fentanyl — 2-4 hours; Quetiapine — 6 hours.

## Chemical Properties

**Molecular Formula**: Fentanyl — C22H28N2O; Quetiapine — C21H25N3O2S.

**Molecular Weight**: Fentanyl — 336.4700 g/mol; Quetiapine — 383.5100 g/mol.

**Type**: Fentanyl — Small molecule; Quetiapine — Small molecule.