XM462 is a dihydroceramide desaturase inhibitor. XM462 produced a mixed-type inhibition (Ki=2 μM) in vitro. XM462 has dihydroceramide desaturase inhibition both in vitro and in cultured cells with IC50 values of 8.2 and 0.78 μM, respectively. XM462 can be used for the research of tumor[1][2].