Arsenic Trioxide vs Fentanyl
## Arsenic Trioxide vs Fentanyl: Overview
This comparison examines the pharmacological differences between **Arsenic Trioxide** and **Fentanyl**.
## Mechanism of Action
**Fentanyl**: Highly potent synthetic mu-opioid receptor agonist approximately 100 times more potent than morphine.
## Pharmacokinetics
**Half-life**: Arsenic Trioxide — N/A; Fentanyl — 2-4 hours.
## Chemical Properties
**Molecular Formula**: Arsenic Trioxide — N/A; Fentanyl — C22H28N2O.
**Molecular Weight**: Arsenic Trioxide — N/A; Fentanyl — 336.4700 g/mol.
**Type**: Arsenic Trioxide — Small molecule; Fentanyl — Small molecule.