CheckVegan

Is Thiamazole vegetarian?

Thiamazole

Vegetarian Vegetarian
Vegan Vegan

Thiamazole, also known as methimazole, is a synthetic pharmaceutical compound used to treat hyperthyroidism, including Graves' disease. It is manufactured synthetically and has no cosmetic application.

Also known as 2H-Imidazole-2-thione, 1,3-dihydro-1-methyl-, Methimazole, Methimazole [USAN:BAN], thiamazole
INCI name Thiamazole
CAS number 60-56-0
EC number 200-482-4
CosIng ID 28452
Last reviewed 9 July 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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