BTN02: Biotin EP Impurity B

Biotin Diacid ;

4-[(3aS,4S,6aR)-2-Oxohexahydrothieno[3,4-d]imidazol-4-yl]butane-1,1-dicarboxylic acid ;    

CAS # 57671-79-1 ;

C11H16N2O5S ;

MW: 288.32 ;