CAS 30604-81-0 appears in our catalog under these names: Polypyrrole (undoped, extent of labeling: ~20 wt. % loading, composite with carbon black), HIGH SURFACE AREA CONDUCTING POLYPYRROLE, POLYPYRROLE, CONDUCTIVITY 10-50 S/CM, POLYPYRROLE, DOPED, CONDUCTIVITY 0.5-1.&, Polypyrrole, 95%, 95%. Offered by: TRC, Sigma-Aldrich, Chemat. Available pack sizes: 1g, 250mg, 500mg, 2G, 25G, 5G, 10G.