CAS Number: 9002-07-7 
Enzyme Commission (EC) Number: 3.4.21.4  ( BRENDA | IUBMB ) 
EC Number: 232-650-8 
MDL number: MFCD00082094 
Description
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Analysis Note One BTEE unit = 320 ATEE units 
Other Notes View more information on trypsin at www.sigma-aldrich.com/enzymeexplorer 
Preparation Note Derived from New Zealand-sourced pancreas 
  TPCK treated; the treatment with L-1-Tosylamide-2-phenylethyl chloromethyl ketone (TPCK) reduces the chymotrypsin activity which is usually present in trypsin.
Dialyzed 
Unit Definition One BAEE unit will produce a ΔA253 of 0.001 per min at pH 7.6 at 25 °C using BAEE as substrate. Reaction volume = 3.2 ml (1 cm light path). 



性质
form essentially salt-free, lyophilized powder 
mol wt mol wt 23.8 kDa 
foreign activity Chymotrypsin ≤0.1 BTEE units/mg protein 
storage temp. 20°C 



安全性
Symbol GHS07, GHS08 
Signal word Danger 
Hazard statements H315-H319-H334-H335 
Precautionary statements P261-P305 + P351 + P338-P342 + P311 
Personal Protective Equipment dust mask type N95 (US), Eyeshields, Faceshields, Gloves 
Hazard Codes Xn 
Risk Statements 36/37/38-42 
Safety Statements 22-24-26-36/37 
WGK Germany 1 
RTECS YN5075000