516490-54-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 516490-54-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,1,6,4,9 and 0 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 516490-54:
(8*5)+(7*1)+(6*6)+(5*4)+(4*9)+(3*0)+(2*5)+(1*4)=153
153 % 10 = 3
So 516490-54-3 is a valid CAS Registry Number.