CheckVegan

Is Alfentanil vegan?

Alfentanil

Vegan Vegan
Vegetarian Vegetarian

Alfentanil is a potent, short-acting synthetic opioid analgesic used for anesthesia during surgery, structurally an analogue of fentanyl with faster onset and shorter duration of action. It acts as an agonist of the μ-opioid receptor.

Also known as Alfenta, Propanamide, N-(1-(2-(4-ethyl-4,5-dihydro-5-oxo-1H-tetrazol-1-yl)ethyl)-4-(methoxymethyl)-4-piperidinyl)-N-phenyl-
INCI name Alfentanil
CAS number 71195-58-9
CosIng ID 81427
Last reviewed 10 July 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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