Chymotrypsinogen is the precursor of chymotrypsinogen. Bovine chymotrypsinogen A Amino acid residue 245, molecular weight 24500. White crystal or powder. It contains no salt and is extracted from cow pancreas. Each mg contains about 7000 units. Can be Trypsin Activated, but not activated by chymotrypsin., Biochemical research. Anti ulcer drugs. The average price is about 1.5 yuan per milligram!!
