568591-87-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 568591-87-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,6,8,5,9 and 1 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 568591-87:
(8*5)+(7*6)+(6*8)+(5*5)+(4*9)+(3*1)+(2*8)+(1*7)=217
217 % 10 = 7
So 568591-87-7 is a valid CAS Registry Number.