CheckVegan

Is Metazocine vegan?

Metazocine

Vegan Vegan
Vegetarian Vegetarian

Metazocine is a synthetic opioid analgesic structurally related to pentazocine, with mixed agonist-antagonist activity, whose clinical use is limited by dysphoric and hallucinogenic side effects.

Also known as (-)-Metazocine, 2'-Hydroxy-2,5,9-trimethyl-6,7-benzomorphan
INCI name Metazocine
CAS number 21286-60-2
EC number 223-097-3
CosIng ID 81499
Last reviewed 10 July 2026

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

Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.

Report an issue