Unfractionated sodium heparin is a drug known and widely used in the world for over half a century, thus, no unknown adverse events or any risk of administration are expected in humans, however, this is the first human Biological product developed by União Química. The proposed development of this biological drug follows the individual route, the control heparin used in the present study has the objective of evaluating the results found with the test product, without the obligation to demonstrate bioequivalence among the evaluated products.