CAS 174568-67-3 appears in our catalog under these names: Tetramethylrhodamine-5-maleimide, 5–TAMRA, maleimide (Tetramethylrhodamine–5–maleimide), 2-(3,6-Bis(dimethylamino)xanthylium-9-yl)-4-(2,5-dioxo-2,5-dihydro-1H-pyrrol-1-yl)benzoate, TETRAMETHYLRHODAMINE-5-MALEIMIDE SUITAB&. Offered by: TRC, GLPBio, Chemat, Sigma-Aldrich, MedChemExpress. Available pack sizes: 25mg, 1mg, 5mg, 1 mg, 5 mg.