What is the commonality between the antibiotic arsphenamine and azodye?


 

Arsphenamine is also known as salvarsan. It is a synthetic organic arsenic compound that was previously used for treating syphilis. Arsphenamine possess - As = As - linkage. Azo dyes are used to promote epithelial growth in the treatment of ulcers, burns, and other wounds. Many azo dyes have anticoagulation action. Azo dyes possess - N - N linkage like arsphenamine which possesses - As = As linkage.