Donepezil vs Tofacitinib

## Donepezil vs Tofacitinib: Overview

This comparison examines the pharmacological differences between **Donepezil** and **Tofacitinib**.

## Mechanism of Action

**Donepezil**: Reversible acetylcholinesterase inhibitor.

**Tofacitinib**: Pan-JAK inhibitor with preference for JAK1 and JAK3 blocking pro-inflammatory cytokine signaling.

## Pharmacokinetics

**Half-life**: Donepezil — 70 hours; Tofacitinib — 3.2 hours.

## Chemical Properties

**Molecular Formula**: Donepezil — C24H29NO3; Tofacitinib — C16H20N6O.

**Molecular Weight**: Donepezil — 379.4920 g/mol; Tofacitinib — 312.3700 g/mol.

**Type**: Donepezil — Small molecule; Tofacitinib — Small molecule.