Methotrexate vs Simvastatin

## Methotrexate vs Simvastatin: Overview

This comparison examines the pharmacological differences between **Methotrexate** and **Simvastatin**.

## Mechanism of Action

**Methotrexate**: Dihydrofolate reductase inhibitor.

**Simvastatin**: Prodrug converted to active form that inhibits HMG-CoA reductase.

## Pharmacokinetics

**Half-life**: Methotrexate — 3-10 hours; Simvastatin — 2 hours.

## Chemical Properties

**Molecular Formula**: Methotrexate — C20H22N8O5; Simvastatin — C25H38O5.

**Molecular Weight**: Methotrexate — 454.4400 g/mol; Simvastatin — 418.5700 g/mol.

**Type**: Methotrexate — Small molecule; Simvastatin — Small molecule.