568571-16-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 568571-16-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,6,8,5,7 and 1 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 568571-16:
(8*5)+(7*6)+(6*8)+(5*5)+(4*7)+(3*1)+(2*1)+(1*6)=194
194 % 10 = 4
So 568571-16-4 is a valid CAS Registry Number.