porphyrin?unique=c4f470a)
5,10,15,20-Tetra(4-pyridyl)porphyrin
5,10,15,20-Tetra(4-pyridyl)porphyrin is available as Gray to Dark purple to Black powder to crystal. It has a molecular weight of 618.70 g/mol and the formula C40H26N8. The product is typically supplied in 1g packaging with a purity of >93.0%(HPLC).