CheckVegan

Is Sulfisoxazole vegan?

Sulfisoxazole

Vegan Vegan
Vegetarian Vegetarian

Sulfisoxazole (sulfafurazole) is a synthetic sulfonamide antibacterial agent with a dimethyl-isoxazole substituent, active against a broad range of Gram-negative and Gram-positive bacteria.

Also known as Sulfafurazole
INCI name Sulfisoxazole
CAS number 127-69-5
EC number 204-858-9
CosIng ID 81763
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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