Description_x000D_ Packaging_x000D_ 25 mg in poly bottle_x000D_ 5 mg in glass bottle_x000D_ Biochem/physiol Actions_x000D_ U-101958 maleate salt is a selective D4 dopamine receptor antagonist. Studies have reported that U-101958 maleate cannot inhibit bromocriptine-mediated [3H]thymidine incorporation in opossum kidney (OK) cells._x000D_ Features and Benefits_x000D_ This compound is also offered as part of Sigma′s Library of Pharmacologically Active Compounds (LOPAC®1280), a biologically annotated collection of high-quality, ready-to-screen compounds. Click here to learn more._x000D_ Preparation Note_x000D_ U-101958 maleate salt is soluble in water (at 3 mg/mL), ethanol (2.7 mg/mL), and DMSO (11 mg/mL)._x000D_ Legal Information_x000D_ LOPAC is a registered trademark of Sigma-Aldrich Co. LLC