126616-53-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126616-53-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,6,1 and 6 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 126616-53:
(8*1)+(7*2)+(6*6)+(5*6)+(4*1)+(3*6)+(2*5)+(1*3)=123
123 % 10 = 3
So 126616-53-3 is a valid CAS Registry Number.