Irbesartan vs Methotrexate
## Irbesartan vs Methotrexate: Overview
This comparison examines the pharmacological differences between **Irbesartan** and **Methotrexate**.
## Mechanism of Action
**Irbesartan**: Selective non-competitive angiotensin II type 1 receptor antagonist.
**Methotrexate**: Dihydrofolate reductase inhibitor.
## Pharmacokinetics
**Half-life**: Irbesartan — 11-15 hours; Methotrexate — 3-10 hours.
## Chemical Properties
**Molecular Formula**: Irbesartan — C25H28N6O; Methotrexate — C20H22N8O5.
**Molecular Weight**: Irbesartan — 428.5320 g/mol; Methotrexate — 454.4400 g/mol.
**Type**: Irbesartan — Small molecule; Methotrexate — Small molecule.