CAS 2143933-81-5 appears in our catalog under these names: ICG Maleimide, ICG-mal, ICG Maleimide 96%, 4-(2-(7-(3-(6-((2-(2,5-Dioxo-2,5-dihydro-1H-pyrrol-1-yl)ethyl)amino)-6-oxohexyl)-1,1-dimethyl-1,3-dihydro-2H-benzo[e]indol-2-ylidene)hepta-1,3,5-trien-1-yl)-1,1-dimethyl-1H-benzo[e]indol-3-ium-3-yl)butane-1-sulfonate, 95%, 95%, ICG Maleimide, 96.35%. Offered by: GLPBio, Iris Biotech, Ambeed, Chemat, MedChemExpress. Available pack sizes: 5mg, 10mg, 25mg, 1mg, 50mg, 10 mg, 5 mg, 25 mg.