CAS 5522-66-7 Protoporphyrin IX dimethyl ester Chemical Report & Database ... sector. The Protoporphyrin IX dimethyl ester World Consumption Report & Database definitions: Name: Protoporphyrin IX dimethyl ester: Protoporphyrin-IX-dimethyl-ester; Dimethyl 8,13-divinyl-3,7,12,17-tetramethyl ...