Fentanyl vs Simvastatin
## Fentanyl vs Simvastatin: Overview
This comparison examines the pharmacological differences between **Fentanyl** and **Simvastatin**.
## Mechanism of Action
**Fentanyl**: Highly potent synthetic mu-opioid receptor agonist approximately 100 times more potent than morphine.
**Simvastatin**: Prodrug converted to active form that inhibits HMG-CoA reductase.
## Pharmacokinetics
**Half-life**: Fentanyl — 2-4 hours; Simvastatin — 2 hours.
## Chemical Properties
**Molecular Formula**: Fentanyl — C22H28N2O; Simvastatin — C25H38O5.
**Molecular Weight**: Fentanyl — 336.4700 g/mol; Simvastatin — 418.5700 g/mol.
**Type**: Fentanyl — Small molecule; Simvastatin — Small molecule.