Description_x000D_ Packaging_x000D_ 500000, 1000000, 2000000 units in poly bottle_x000D_ Application_x000D_ Technical Article Comparing Performance of Different Enzymes_x000D_ Learn more_x000D_ about recent application data generated by Sigma R&D to optimize hydrolysis for different drug classes using enzymes from different sources and the use of a chromatographicaly purified enzyme to reduce the effect of esterase activity resulting in conversion of 6-MAM to Morphine._x000D_ Unit Definition_x000D_ One Sigma or modified Fishman unit will liberate 1.0 μg of phenolphthalein from phenolphthalein glucuronide per hr at 37 °C at pH 3.8 (30 min assay)._x000D_ Physical form_x000D_ Supplied as a lyophilized powder containing Trizma® and L-arginine_x000D_ Legal Information_x000D_ Trizma is a registered trademark of Sigma-Aldrich Co. LLC