Methotrexate vs Pravastatin

## Methotrexate vs Pravastatin: Overview

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

## Mechanism of Action

**Methotrexate**: Dihydrofolate reductase inhibitor.

**Pravastatin**: Competitive inhibitor of HMG-CoA reductase.

## Pharmacokinetics

**Half-life**: Methotrexate — 3-10 hours; Pravastatin — 1.8 hours.

## Chemical Properties

**Molecular Formula**: Methotrexate — C20H22N8O5; Pravastatin — C23H36O7.

**Molecular Weight**: Methotrexate — 454.4400 g/mol; Pravastatin — 424.5280 g/mol.

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