The chemical gamma-Amanitin has a designated molecular formula of C39H54N10O13S and a molecular weight of 902.978 g/mol. Synonyms may include: alpha-Amanitin, 3-(4-hydroxy-L-isoleucine)-, (S)-, BRN 1070216, (S)-3-(4-hydroxy-L-isoleucine)-alpha-amanitin, Amatoxin, gamma-Amatoxin, HSDB 3460, gamma Amanitin, UNII-ZOZ8ILM7WM (ChemID).