CAS 16828-36-7 appears in our catalog under these names: 5,?10,?15,?20–?Tetrakis(4–?chlorophenyl)?porphyrin copper(II), 5,10,15,20-Tetrakis(4-chlorophenyl)porphyrin copper(II), 97%+,RG. Offered by: GLPBio, Chemat. Available pack sizes: 1g, 5g, 100mg, 250mg.