Thrombin Synonyms: Thrombin from porcine plasma, Coagulation factor II, Activated factor II, Factor IIa CAS No.: 9002-04-4 EC No.: 3.4.21.5 Thrombin is a white or almost white powder obtained from porcine plasma. It is a coagulation protein that converts soluble fibrinogen to insoluble fibrin. It also activates factor V, factor VIII, factor XI and protein C. Jiagen Biotechnologies supplies quality Thrombin of various specifications. To place an order or for more information, please contact us at sales@jiagen.com.