Fentanyl vs Sodium Iodide I 131
## Fentanyl vs Sodium Iodide I 131: Overview
This comparison examines the pharmacological differences between **Fentanyl** and **Sodium Iodide I 131**.
## Mechanism of Action
**Fentanyl**: Highly potent synthetic mu-opioid receptor agonist approximately 100 times more potent than morphine.
## Pharmacokinetics
**Half-life**: Fentanyl — 2-4 hours; Sodium Iodide I 131 — N/A.
## Chemical Properties
**Molecular Formula**: Fentanyl — C22H28N2O; Sodium Iodide I 131 — N/A.
**Molecular Weight**: Fentanyl — 336.4700 g/mol; Sodium Iodide I 131 — N/A.
**Type**: Fentanyl — Small molecule; Sodium Iodide I 131 — Small molecule.