The molecule is a metallochlorin that is the iron(II) complex of 7,8-dihydroporphyrin which is substituted by methyl groups at positions 3, 7, 7, 8, 12, 13, and 17, and by carboxyethyl groups at positions 2 and 18. It is a ferroheme, a metallochlorin and a dicarboxylic acid. It is a conjugate acid of an iron methylchlorin(2-).
3-[18-(2-carboxyethyl)-3,7,7,8,12,13,17-heptamethyl-8H-porphyrin-21,23-diid-2-yl]propanoic acid;iron