518044-37-6 Usage
Description
Mal-PEG6-t-butyl ester is a PEG linker containing a maleimide group and a t-butyl ester group. The hydrophilic PEG spacer increases solubility in aqueous media. The t-butyl protected carboxyl group can be deprotected under acidic conditions. The maleimide group will react with a thiol group to form a covalent bond, enabling the connection of biomolecule with a thiol.
Check Digit Verification of cas no
The CAS Registry Mumber 518044-37-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,1,8,0,4 and 4 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 518044-37:
(8*5)+(7*1)+(6*8)+(5*0)+(4*4)+(3*4)+(2*3)+(1*7)=136
136 % 10 = 6
So 518044-37-6 is a valid CAS Registry Number.