517870-66-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 517870-66-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,1,7,8,7 and 0 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 517870-66:
(8*5)+(7*1)+(6*7)+(5*8)+(4*7)+(3*0)+(2*6)+(1*6)=175
175 % 10 = 5
So 517870-66-5 is a valid CAS Registry Number.