Bovine Chymotrypsinogen A PurifiedFive times crystallized, electrophoretically homogeneous. Supplied as a dialyzed, lyophilized powder. Intrinsic activity 0.25 u/mg chymotrypsin. Store at 2-8C.This material is sold for in-vitro use only in manufacturing and research and is not suitable for use in humans or animals. This material should be handled with general laboratory precaution.