Tranexamic acid is a synthetic derivative of the amino acid lysine. Tranexamic acid has roughly eight times theantifibrinolytic activity of an older analogue, ε-aminocaproic acid.Tranexamic acid, also known as tranexamic acid, clotting acid and hemostatic cyclic acid, with molecular formula of c8h15no2 and chemical name of trans-4-aminomethylcyclohexanoic acid. It is a white crystalline powder with no odor and slight taste,. Soluble in water, almost insoluble in ethanol, acetone, chloroform or ether.