Alfentanil Hydrochloride vs Buprenorphine

## Alfentanil Hydrochloride vs Buprenorphine: Overview

This comparison examines the pharmacological differences between **Alfentanil Hydrochloride** and **Buprenorphine**.

## Mechanism of Action

**Buprenorphine**: Partial mu-opioid receptor agonist and kappa antagonist with high receptor affinity.

## Pharmacokinetics

**Half-life**: Alfentanil Hydrochloride — N/A; Buprenorphine — 24-42 hours.

## Chemical Properties

**Molecular Formula**: Alfentanil Hydrochloride — N/A; Buprenorphine — C29H41NO4.

**Molecular Weight**: Alfentanil Hydrochloride — N/A; Buprenorphine — 467.6430 g/mol.

**Type**: Alfentanil Hydrochloride — Small molecule; Buprenorphine — Small molecule.