... .0%~101.0% . We can provide other acid, such as Malic acid, Citric acid, Sorbic acid and so on. www.taoyuanie.com UpperPharmaceutical Ingredients ... NameLipoic acid CAS NO.:62-46-4Structural Formula: Chemical Formula:C8H14O2S2Molecular Weight: ... .30 g/ml UsesAntioxidant, Packing25kg/ carton,5kg/tin, 2tin/box Lipoic acid