89818-40-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89818-40-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,8,1 and 8 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 89818-40:
(7*8)+(6*9)+(5*8)+(4*1)+(3*8)+(2*4)+(1*0)=186
186 % 10 = 6
So 89818-40-6 is a valid CAS Registry Number.