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This Chymotrypsinogen A is a lypholized, salt free product. This is the inactive precursor of chymotrypsin. Please order with trypsin.
Unit definition: see cat. no. 17160 (chymotrypsin activity after activation by trypsin).
Activity in other units: ca. 1 200 USP units/mg (potential activity) and ca. 10 USP units/mg (native activity). USP units see cat. no. 17160.
Extraneous activity: ca. 1 U/mg α-chymotrypsin before trypsin activation
Storage Temperature: -15 °C to -25 °C