25-Cys-carboxyamidomethyl-acth (1-26) 80154-41-2 ACTH (1-26), cys-carboxamidomethyl(25)- ACTH (1-26), cysteine-carboxamidomethyl(25)- Cys-cam(25)-acth(1-26) alpha1-26-Corticotropin (pig), 25-(S-(2-amino-2-oxoethyl)-L-cysteine)- alpha1-26-Corticotropin, 25-(S-(2-amino-2-oxoethyl)-L-cysteine)-