Gliotoxin Description A sulfur containing antibiotic. Possesses immunosuppressive properties as it may suppress and cause apoptosis. Acts as an inhibitor of farnesyl transferase. Specifications Cas No. 67-99-2 Product ID G4434 Product Name Gliotoxin Formula Wt. 326.39 Solubility CHCl3 Store Temp Ambient References Hur Jung-Mu. Journal of cellular biochemistry (2008), 104(6), 2174-84.