CheckVegan

Is Brilliant Cresyl Blue vegetarian?

Brilliant Cresyl Blue

Vegetarian Vegetarian
Vegan Vegan

Brilliant Cresyl Blue is a synthetic oxazine dye used primarily as a supravital stain for counting reticulocytes in blood smears. It is a synthetic organic compound with no animal-derived components.

Also known as Brilliant Cresyl Blue, Cresyl Blue BBS
CAS number 81029-05-2
CI number CI 51010
Last reviewed 11 July 2026

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

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