CAS 31004-82-7 appears in our catalog under these names: 5,10,15,20-Tetraphenyl-21H,23H-porphine manganese(II), 95%, 5,10,15,20-Tetraphenyl-21H,23H-porphine manganese(II), 97%. Offered by: Ambeed, Chemat, BLDpharm. Available pack sizes: 250mg, 1g, 100mg.