Ingenol-5,20-acetonide (CAS: 77573-43-4) is a high-purity natural diterpene ester derived from Euphorbia peplus, widely used in anticancer, apoptosis, and PKC pathway research. Our ≥98% research-grade compound is perfect for pharmaceutical studies, biomedical research, and natural product drug discovery. Complete analytical data including COA, HPLC, MS, and NMR are available for reliable scientific use.