CAS 2239295-71-5 appears in our catalog under these names: Poly((9,9-di(2-ethylhexyl)-9H-fluorene-2,7-vinylene)-co-(2-methoxy-5-(2-ethylhexyloxy)-1,4-phenylenevinylene))(m:n=95:5 mole ratio), PBDB-T-2Cl , PBDB-t-2Cl. Offered by: Lumtec, Thermo Scientific (Alfa Aesar), Biosynth. Available pack sizes: On request, 100mg, 250mg, 500mg.