Tin Protoporphyrin IX chloride is primarily used in medical and biochemical research due to its ability to inhibit heme oxygenase, an enzyme involved in the breakdown of heme. This property makes it valuable in studies related to bilirubin production and iron metabolism. It is often employed in experimental models to investigate conditions such as jaundice, hyperbilirubinemia, and other disorders linked to heme degradation. Additionally, it serves as a tool in understanding oxidative stress and cellular protection mechanisms, as heme oxygenase plays a role in antioxidant responses. Its applications extend to exploring therapeutic strategies for diseases where modulating heme oxygenase activity could be beneficial.