Baricitinib vs Methotrexate

## Baricitinib vs Methotrexate: Overview

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

## Mechanism of Action

**Baricitinib**: Selective JAK1 and JAK2 inhibitor blocking cytokine signaling involved in inflammation.

**Methotrexate**: Dihydrofolate reductase inhibitor.

## Pharmacokinetics

**Half-life**: Baricitinib — 12 hours; Methotrexate — 3-10 hours.

## Chemical Properties

**Molecular Formula**: Baricitinib — C16H17N7O2S; Methotrexate — C20H22N8O5.

**Molecular Weight**: Baricitinib — 371.4170 g/mol; Methotrexate — 454.4400 g/mol.

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