Chemical Name: Beta-hydroxybutyrateNa /K /Ca /Mg salt CAS No.: 150-83-4 / 39650-04-9 / 51899-07-1 / 586976-57-0 Molecular Fomula: C4H7O3Na/ C4H7O3K / (C4H7O3)2Ca / C4H8O3.x(Mg) Molecular weight:126.09 Appearance:White crystalline powder Assay: 98.0%~102%