Purity of Protoporphyrin 96% Product name: ProtoporphyrinPurity of protoporphyrin: 95% .Molecule Weight: 562.66Other Names: 3,7,12,17-Tetramethyl-8,13-divinyl-2,18-porphine acid, Kammerer'sporphyrin, Ooporphyrin.CAS Name & Number: 553-12-8Molecular Formula: C34H34N4O4Appearance: Deep violet glossy crystalline Odour: Characteristic Protoporphyrin