AAT Bioquest

What is the formula of ethidium bromide?

Posted December 1, 2021


Ethidium bromide is an organic bromide salt. Its molecular formula is C21H20BrN3 and molecular weight is 394.3

The IUPAC Name is 3,8-Diamino-5-ethyl-6-phenylphenanthridin-5-ium bromide

Additional resources

The structure of chromatin: interaction of ethidium bromide with native and denatured chromatin