Fentanyl vs Mecasermin
## Fentanyl vs Mecasermin: Overview
This comparison examines the pharmacological differences between **Fentanyl** and **Mecasermin**.
## 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; Mecasermin — N/A.
## Chemical Properties
**Molecular Formula**: Fentanyl — C22H28N2O; Mecasermin — N/A.
**Molecular Weight**: Fentanyl — 336.4700 g/mol; Mecasermin — N/A.
**Type**: Fentanyl — Small molecule; Mecasermin — Protein.