CAS 1255087-87-6 appears in our catalog under these names: 2,2-Dimethyl-3-(((3-((2-(5-((3aS,4S,6aR)-2-oxohexahydro-1H-thieno[3,4-d]imidazol-4-yl)pentanamido)ethyl)disulfanyl)propanoyl)oxy)methyl)-3,4-dihydro-2H-pyrrole 1-oxide, 98%, 3-((2-(Biotinamido)ethyl)dithio)propionic Acid 4’-(Hydroxymethyl)DMPO Ester, >95% (HPLC). Offered by: Chemat Brand, TRC. Available pack sizes: on request, 10mg, 1mg.