H3B-120 is a highly selective, competitive, and allosteric carbamoyl phosphate synthetase 1 (CPS1) inhibitor (IC50: 1.5 μM; Ki: 1.4 μM) with anti-cancer activity.

98%

Store at -20℃ for one year（Powder）；Store at 2-4℃ for two weeks；Store at -20℃ for six months after dissolution.

DMSO:62 mg/mL (166.45 mM)

CPS1:1.4 μM (ki), CPS1:1.5 μM

H3B-120 (25, 50, 75, 100 μM) inhibits urea production in a dose-dependent manner, although the cellular potency decreases significantly compared with enzymatic assays.?The half-life of H3B-120 is only 40 min.?H3B-120 has no inhibition of CPS2 activity of CAD (CPS2, aspartyl transcarbamylase, dihydroorotase).