86659-57-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86659-57-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,6,5 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 86659-57:
(7*8)+(6*6)+(5*6)+(4*5)+(3*9)+(2*5)+(1*7)=186
186 % 10 = 6
So 86659-57-6 is a valid CAS Registry Number.