Quality Level	PREMIUM
type	Type IV
form	lyophilized powder
mol wt	mol wt ~31 kDa
purified by	chromatography
foreign activity	Chymotrypsin ≤0.5%
	Protease ≤0.05%

Product Specification
Product Number: D5025
CAS Number: 9003-98-9
MDL: MFCD00130918
Storage Temperature: -20 °C
T_E_S_T________________________________________Sp_e_c_if_ic_at_io_n______________________
Appearance （Color） White to Light Tan
Appearance （Form） Powder
Solubility （Color） Colorless
Solubility （Turbidity） Clear
5 mg/ml, 0.15 M NaCl
% Protein （Biuret） >_ 80
Kunitz units/mg protein >_ 2000
One Kunitz unit will produce a change in A260 of 0.001 per minute per mL at pH 5.0 at 25 Deg C, using DNA, Type I or III as
substrate. [Mg2+] = 4.2 mM.
Chymotrypsin <_ 0.5 %
Protease <_ 0.05 %
% RNAse <_ 0.02 %
Recommended Retest Period -------------------------
3 years
Specification: PRD.1.ZQ5.10000007039
Sigma-

 

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