Name:  Alpha Lipoic Acid  

Synonyms:  DL-alpha-Lipoic acid; DL-6,8-Dithiooctanoic acid; 5-(Dithiolan-3-yl)valeric acid

C.A.S #:  1077-28-7

Molecular formula: C₈H₁₄O₂S₂

Molecular weight :  206.33

Assay:  99.0-101.0%

Quality Standards: USP30

Alpha-Lipoic acid contains not less than 99.0 percent and not more than 101.0 percent of C₈H₁₄O₂S₂,calculated on the dried basis.

Characteristic: Yellow crystalline powder, almost tasteless.

Melting point:  58-63°C

Boiling point:  160-165°C

Water solubility:  Soluble in benzene, ethanol, ethyl ether, chloroform and other organic solvents, but also soluble in water.

Function and Usage: Α-lipoic acid is a vitamin drugs, limited physical activity in its dextral (Ⅲ), basically no physical activity in its L - Lipoic acid (Ⅳ), and no side effects. It is always used for acute and chronic hepatitis, liver cirrhosis, hepatic coma, fatty liver, diabetes, Alzheimer's disease ,and applies as an antioxidant health products.