5,10,15,20-tetra-p-tolyl-21H23H-porphine 5,10,15,20-tetra-p-tolyl-21H23H-porphine Synonyms: 5,10,15,20-Tetra-p-tolyl-21H,23H-porphine; meso-Tetra(4-methylphenyl)porphine; 5,10,15,20-tetrakis(4-methylphenyl)-21,22-dihydroporphyrin; 5,10,15,20-Tetra-(4-methylphenyl)-porphyrin CAS NO.: 14527-51-6 Formula: C48H38N4 Weight: 670.84212