Chemical Name : Tannic acid
CAS : 5424-20-4
Synonyms: Brewtan;Brewtan ab;Chinese gallotannin;Chinese tannin;Digallic acid;Fema 3042;Floctan 1 g;Floctan 2g;Floctan 3 g;Floctan 3 sp;Gallotannic acid;Gallotannin;Gerbsaure;Glycerite;Tanal b;Tanal sc;Tanal sca;Tanex a;Tanex a sp;Tannic acid;Tannic acid, 25 g+100 ml h2o;Tannin;Tannins;Tanninum
Tetra

![4-[(2-ethoxy-3,4-dioxocyclobut-1-enyl)amino]benzoic acid](https://thsciimg.chemcd.cn/TS68473.gif)

