89678-02-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89678-02-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,6,7 and 8 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 89678-02:
(7*8)+(6*9)+(5*6)+(4*7)+(3*8)+(2*0)+(1*2)=194
194 % 10 = 4
So 89678-02-4 is a valid CAS Registry Number.