Tin Protoporphyrin IX . dichlorideHeme oxygenase inhibitorPotent inhibitor of heme oxygenase.Product SpecificationFormula: C34H32N4O4Sn . 2Cl MW: 750.3CAS: 14325-05-4 Purity: ≥95% (TLC) Identity: Identity determined by NMR and UV VIS. Appearance: Dark red to violet solid. Hazard: IRRITANT. Solubility: Soluble in aqueous base. Long Term Storage: -20°C Handling: Protect from light.