Molecular formula：C₁₂H₁₈CaO₆ 

Chemical name: Calcium 4-Methyl-2-Oxovalerate; Calcium bis(4-methyl-2-oxopentanoate); 4-methyl-2-oxopentanoic acid Calcium salt; Calcium alpha-ketoisocaproate; pentanoate, 4-methyl-2-oxo-, calcium salt; Alpha-Keto-Leucine Calcium Salt; Calcium ketoleucine; Alpha-ketoleucine Calcium; Ketoleucine calcium salt dihydrate; α-Ketoleucine Calcium; Calcium KIC
Molecular formula: C₁₂H₁₈CaO₆
Molecular weight: 298.35
Structural formula:
 

Appearance: white or almost white crystal powder; bitter taste
Content: 98.5%-102.0%