52961-53-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 52961-53-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,2,9,6 and 1 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 52961-53:
(7*5)+(6*2)+(5*9)+(4*6)+(3*1)+(2*5)+(1*3)=132
132 % 10 = 2
So 52961-53-2 is a valid CAS Registry Number.