Pharmaceutical Reference Standards / Impurity Standards

Thioctic Acid Impurity 4
Thioctic Acid Impurity 20 (Mixture of Isomers)
S-Thioctic Acid Tromethamine
Thioctic Acid Impurity 26
Thioctic Acid Impurity 20
Thioctic Acid S-Lipoic Acid Monosulfoxide
Thioctic Acid Impurity 10