53913-66-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 53913-66-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,3,9,1 and 3 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 53913-66:
(7*5)+(6*3)+(5*9)+(4*1)+(3*3)+(2*6)+(1*6)=129
129 % 10 = 9
So 53913-66-9 is a valid CAS Registry Number.