89651-11-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89651-11-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,6,5 and 1 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 89651-11:
(7*8)+(6*9)+(5*6)+(4*5)+(3*1)+(2*1)+(1*1)=166
166 % 10 = 6
So 89651-11-6 is a valid CAS Registry Number.