Fentanyl vs Irbesartan
## Fentanyl vs Irbesartan: Overview
This comparison examines the pharmacological differences between **Fentanyl** and **Irbesartan**.
## Mechanism of Action
**Fentanyl**: Highly potent synthetic mu-opioid receptor agonist approximately 100 times more potent than morphine.
**Irbesartan**: Selective non-competitive angiotensin II type 1 receptor antagonist.
## Pharmacokinetics
**Half-life**: Fentanyl — 2-4 hours; Irbesartan — 11-15 hours.
## Chemical Properties
**Molecular Formula**: Fentanyl — C22H28N2O; Irbesartan — C25H28N6O.
**Molecular Weight**: Fentanyl — 336.4700 g/mol; Irbesartan — 428.5320 g/mol.
**Type**: Fentanyl — Small molecule; Irbesartan — Small molecule.