Ponatinib-d8 is an isotope labelled compound of Ponatinib (P688250). Ponatinib is a tyrosine kinase inhibitors (TKI) and used to treat chronic myeloid leukemia (CML) (1,2,3). Ponatinib is also used in combination with other drugs, such as forskolin, to combat TKI resistance in patient with CML (3), targeted drug in small-cell lung cancer. Molecular Formula: C29H19D8F3N6O Molecular Weight: 540.61