Usnic Acid Details Product Name: Usnic Acid Other Name: Usniacin, Usnein, Usninic Acid Herb Source: Usnea diffracta Vain. Appearance: Yellow Powder Specifications: 98% Test Method: HPLCCAS#: 125-46-2 Molecular Formula & Molecular Weight: C18H16O7; 344.32 Usnic Acid Structural Formula: Raw Material of Usnic Acid Melting Point & Solubility: mp 204℃, Soluble in Acetic ether, Acetone, Water and Ethanol. Pharmacology: 1. It …