Specification Sheet
Product Name α-Chymotrypsinogen A from bovine pancreas,
essentially salt-free, lyophilized powder
Product Number C4879
Product Brand SIGMA
CAS Number 9035-75-0
 
TEST SPECIFICATION
Appearance (Color) White to Off-White
Appearance (Form) Powder
Solubility (Color) Colorless
  10 mg/ml in 0.001M HCl
Solubility (Turbidity) Clear
  10 mg/ml in 0.001 M HCl
units/mg solid ≥40
  (After activation to Chymotrypsin) One unit will
  hydrolyze 1.0 micromole of N-Benzoyl-L-Tyrosine
  Ethyl Ester (BTEE) per minute at pH 7.8 at 25 deg
  C.
units/mg solid ≤1
  (prior to activation)