Centerchem's Biochemicals and Diagnostics Division offers a diverse selection of assays for coagulation and fibrinolysis diagnostics as well as specialty biochemicals. The Pefakit® line of test kits from DNP Branch Pentapharm includes assays for PiCT®, in-TDT®, APC-R Factor V Leiden, Factor XIII and Reptilase®. Centerchem also distributes specialty biochemicals for the research, development and production of in vitro diagnostic products and pharmaceuticals. These include highly purified snake venom proteins, peptide substrates, synthetic and natural protease inhibitors and Prionex®, The BSA Alternative™.