Co(III) protoporphyrin IX chloride (Protoporphyrin IX cobaltic chloride) is an inducer of HO-1. Co(III) protoporphyrin IX chloride has activities such as anti-inflammation and antibacterial properties. Co(III) protoporphyrin IX chloride can also be used in the research of ischemia-reperfusion injury models[1][2][3][4].