118659-87-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 118659-87-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,6,5 and 9 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 118659-87:
(8*1)+(7*1)+(6*8)+(5*6)+(4*5)+(3*9)+(2*8)+(1*7)=163
163 % 10 = 3
So 118659-87-3 is a valid CAS Registry Number.