Alfentanil vs Celecoxib

## Alfentanil vs Celecoxib: Overview

This comparison examines the pharmacological differences between **Alfentanil** and **Celecoxib**.

## Mechanism of Action

**Celecoxib**: Selective COX-2 inhibitor.

## Pharmacokinetics

**Half-life**: Alfentanil — N/A; Celecoxib — 11 hours.

## Chemical Properties

**Molecular Formula**: Alfentanil — N/A; Celecoxib — C17H14F3N3O2S.

**Molecular Weight**: Alfentanil — N/A; Celecoxib — 381.3730 g/mol.

**Type**: Alfentanil — Small molecule; Celecoxib — Small molecule.