E429 APROTININ Grade:HIGH PURITY GRADE CAS Number: 9087-70-1Synonym(s): bovine pancreatic trypsin inhibitor, BPTI Molecular Weight: 6511.51Molecular Formula: C284H432N84O79S7 Storage Condition: COLD CodeSizePriceQuantity E429-10MG E429-50MG A competitive and reversible serine protease inhibitor of chymotrypsin, trypsin, kallikrein and plasmin. Not an inhibitor of Factor Xa and thrombin.