Medchemexpress, HY-15816A 5mg Ulixertinib (hydrochloride) CAS:1956366-10-1 Ulixertinib hydrochloride is a potent, orally active, highly selective, ATP-competitive and reversible covalent inhibitor of ERK1/2 kinases, with an IC 50 of <0.3 nM against ERK2. Ulixertinib hydrochloride inhibits the phosphorylated ERK2 (pERK) and downstream kinase RSK (pRSK) in an A375 melanoma cell line [1] [2] . Purity:>98% Medchemexpress has over 10000 novel life-science reagents, reference compounds, APIs and natural compounds for laboratory and scientific use. Other quantity can also be offered.