569658-16-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 569658-16-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,6,9,6,5 and 8 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 569658-16:
(8*5)+(7*6)+(6*9)+(5*6)+(4*5)+(3*8)+(2*1)+(1*6)=218
218 % 10 = 8
So 569658-16-8 is a valid CAS Registry Number.