1807503-80-5 Usage
Description
Propargyl-PEG2-t-butyl ester is a PEG linker that enables Click Chemistry reactions with azide-bearing compounds or biomolecules; copper will be required for catalyzation. Under acidic conditions, the t-butyl group can be removed.
Check Digit Verification of cas no
The CAS Registry Mumber 1807503-80-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,8,0,7,5,0 and 3 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1807503-80:
(9*1)+(8*8)+(7*0)+(6*7)+(5*5)+(4*0)+(3*3)+(2*8)+(1*0)=165
165 % 10 = 5
So 1807503-80-5 is a valid CAS Registry Number.